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# Mail & Newsgroups Account Settings

This section describes the settings in the Mail & Newsgroups Account Settings dialog box. Unlike the Preferences dialog box, which applies settings to all accounts, the Mail & Newsgroups Account Settings dialog box lets you specify settings on a per-account basis.

If you are not currently viewing the Mail & Newsgroups Account Settings dialog box, follow these steps:

1. Begin from the Mail window.
2. Open the Edit menu and choose Mail & Newsgroups Account Settings.
3. Select the name of the account whose settings you want to view or change.

In this section:

- Account Settings
- Server Settings
- Copies & Folders
- Composition & Addressing
- Synchronization & Storage
- Junk Settings
- Return Receipts
- Security
- Local Folders
- Outgoing Server (SMTP)

## Mail & Newsgroups Account Settings - Account Settings

This section describes how to view or change your Account Settings, such as your user name, reply-to address, and signature. If you are not already viewing the Account Settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the name of the account to display the Account Settings panel.

- Account Name: The name for this account.
- For any type of account but Blogs & News Feeds:
  - Identity: Stores your name, email address, reply-to address (only if different from your email address), and organization (optional).
  - Signature text: If you want to attach a signature to all outgoing messages, type its text into this box. Check Use HTML to enable HTML code, e.g., <b>bold</b> (optional).
  - Attach the signature from a file instead: Lets you choose to attach the signature from a file (in text, HTML, or image format) rather than entering its text. Checking this option overrides any text entered into the signature box. Click Choose to locate the signature file (optional).

    More signature options are located in Composition & Addressing.

  - Attach my vCard to messages: Lets you choose if your vCard should be attached to your outgoing messages. Click Edit Card to edit the card information (optional).
- For Blogs & News Feeds accounts:
  - Check for new articles at startup: Select this checkbox if you want to check this account automatically for new blogs & news messages whenever you start Mail & Newsgroups.
  - Check for new articles every [__] minutes: Select this checkbox if you want to specify the number of minutes between feed checks. You can also check for new blogs & news messages at any time by clicking Get Msgs in the Mail window.
  - By default, show the article summary instead of loading the web page: Select this checkbox if you want &brandShortName; to display a brief summary of the article (bundled inside the feed) instead of loading the full web page. Showing the article summary is slightly faster than the full web page, but you may miss part of the article content.
  - Empty Trash on Exit: Empties the Trash folder whenever you quit Mail & Newsgroups.
  - Manage Subscriptions...: Shows the Feed Subscriptions dialog, that allows you to add, edit and remove feeds to this blogs & news feeds account.

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## Mail & Newsgroups Account Settings - Server Settings

&brandShortName; Mail & Newsgroups can work with two types of mail servers: IMAP and POP. If you are not sure which server type your Internet service provider supports, ask your service provider. If your Internet service provider supports both, the following descriptions may help you choose which one to use.

In this section:

- About Internet Message Access Protocol (IMAP)
- About Internet Post Office Protocol (POP)
- IMAP Server Settings
- Advanced IMAP Server Settings
- POP Server Settings
- News Server Settings

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### About Internet Message Access Protocol (IMAP)

Advantages: Your messages and any changes to them stay on your server, saving local disk space. Also, you always have access to an updated mailbox, and you can get your mail from multiple locations. Performance on a modem is faster, since you initially download message headers only.

Disadvantages: Not all ISPs support IMAP.

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### About Post Office Protocol (POP)

Advantages: Your messages are downloaded to your local computer all at once, but you can also specify whether to keep copies of the messages on the server and delete messages on the server when they are deleted locally. Most ISPs currently support POP.

Disadvantages: If you use more than one computer, messages might reside on one or the other, but not both. POP doesn't work as well as IMAP over a slow link connection. Also, you can't access all mail folders from multiple locations.

Note that more recent POP servers have features that allow retrieving only the headers instead of the full message, like IMAP allows. Using these features allows performance with POP to be nearly as fast as with IMAP.

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### IMAP Server Settings

If you are not already viewing the IMAP server settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account name and click the Server Settings category. (If you chose an IMAP server when you set up this account, you see your IMAP server settings.)

- Server Type: The server type (IMAP Mail Server) that you specified when you created this account. To change the server type associated with this account, you must delete the account and then re-create it.
- Server Name: The server name that you specified when you created this account. If you are having problems getting mail from this account, verify with your service provider or system administrator that the server name you entered is correct.
- User Name: The user name that you specified when you created this account.
- Port: Unless otherwise instructed to do so by your service provider or system administrator, leave this setting unchanged.
- Connection security: Choose one of the available options to establish a secure connection to your incoming IMAP server. You can choose one of these:
  - None: &brandShortName; will use a plain connection, without encryption at all. You should choose this only if your incoming server allows password encryption or doesn't support any type of security.
  - STARTTLS: Require an encrypted connection, use the STARTTLS method. This mechanism will usually run on the standard IMAP port 143.
  - SSL/TLS: Require an encrypted connection, use the IMAP-over-SSL method. The default port for this is 993.
- Authentication method: Choose one of the available options to use secure authentication with your incoming IMAP server. You can choose one of these:
  - Normal password: &brandShortName; will send your password as clear text, without encryption at all. This option is safe when SSL/TLS or STARTTLS is used.
  - Password, transmitted insecurely: Same as Normal password but only available when a connection security of None is selected and hence is unsafe. Do not choose this unless your incoming server doesn't support any type of security at all.
  - Encrypted password: Require the encryption of the user's credentials as supported by the server, such as CRAM-MD5. This option is safe to use even if the connection security setting is None, but only the password would be secured in this way, not any content.
  - Kerberos / GSSAPI: Choose this option if your computer is set up for secure authentication using Kerberos. You may need to acquire a Kerberos ticket by using a separate program, or it may be assigned to you when logging into your computer.
  - NTLM: Choose this option if your computer is set up for secure authentication using an NT LAN Manager. In general, Kerberos should be preferred over NTLM as it provides for a higher level of security.
  - TLS Certificate: Choose this option to use certificate-based authentication on a connection with SSL/TLS or STARTTLS enabled, without the need to provide any password for authentication.
  If you are unsure which options are supported by your server, contact your service provider or system administrator.
- Check for new messages at startup: Choose this setting if you want Mail & Newsgroups to automatically check this account for new messages whenever you start Mail & Newsgroups.
- Check for new messages every [__] minutes: Choose this setting to automatically check for new messages, and then specify the number of minutes between mail checks. If you do not select this setting, you can check for new messages at any time by clicking Get Msgs in the Mail window.
- Allow immediate server notifications when new messages arrive: Choose this setting if the server supports IMAP's IDLE capability to immediately notify &brandShortName; when new mail arrives. This option does not have any effect for servers which don't support this capability. It can be used in addition to, or instead of, any of the other options to check for mail.
- When I delete a message: Choose the behavior you want for deleted messages. Move it to this folder, where you can choose the specific folder to use, is recommended unless you are instructed to use a different setting by your system administrator or service provider. Messages marked as deleted are removed only when you compact folders.
- Clean up (Expunge) Inbox on Exit: Removes deleted messages from the Inbox when you exit Mail & Newsgroups. Choose this if you chose to mark messages as deleted.
- Empty Trash on Exit: Empties the Trash folder whenever you quit Mail & Newsgroups.
- Advanced: Lets you choose a different outgoing server (SMTP) for outgoing messages from this account. You can also reach the Advanced IMAP Server Settings through this button.
- Local directory: The location on your hard disk where mail for this account is stored.

### Advanced IMAP Server Settings

In most cases, advanced IMAP server settings are automatically supplied by the server. If you are unsure about the settings for this dialog box, contact your ISP or system administrator.

If you are not already viewing the advanced IMAP server settings, begin from the Mail window.

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account name and click the Server Settings category.
3. If the mail server type is an IMAP server, you can click Advanced to set additional IMAP options, such as:
   - the IMAP server directory path
   - showing only subscribed folders
   - support for subfolders
   - the maximum number of concurrent connections kept open to the server for this account
   - any personal and public (shared folder) namespaces for this directory

For more information, see Adding and Removing LDAP Directories.

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### POP Server Settings

If you are not already viewing the POP server settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account name and click the Server Settings category name. (If you chose a POP server when you set up this account, you see your POP server settings.)

- Server Type: The server type (POP Mail Server) that you specified when you created this account. To change the server type associated with this account, you must delete the account and then re-create it.
- Server Name: The server name that you specified when you created this account. If you are having problems getting mail from this account, verify with your service provider or system administrator that the server name you entered is correct.
- User Name: The user name that you specified when you created this account.
- Port: Unless otherwise instructed to do so by your service provider or system administrator, leave this setting unchanged.
- Connection security: Choose one of the available options to establish a secure connection to your incoming POP server. You can choose one of these:
  - None: &brandShortName; will use a plain connection, without encryption at all. You should choose this only if your incoming server allows password encryption or doesn't support any type of security.
  - STARTTLS: Require an encrypted connection, use the STARTTLS method. This mechanism will usually run on the standard POP port 110.
  - SSL/TLS: Require an encrypted connection, use the POP-over-SSL method. The default port for this is 995.
- Authentication method: Choose one of the available options to use secure authentication with your incoming POP server. You can choose one of these:
  - Normal password: &brandShortName; will send your password as clear text, without encryption at all. This option is safe when SSL/TLS or STARTTLS is used.
  - Password, transmitted insecurely: Same as Normal password but only available when a connection security of None is selected and hence is unsafe. Do not choose this unless your incoming server doesn't support any type of security at all.
  - Encrypted password: Require the encryption of the user's credentials as supported by the server, such as CRAM-MD5 or APOP. This option is safe to use even if the connection security setting is None, but only the password would be secured in this way, not any content.
  - Kerberos / GSSAPI: Choose this option if your computer is set up for secure authentication using Kerberos. You may need to acquire a Kerberos ticket by using a separate program, or it may be assigned to you when logging into your computer.
  - NTLM: Choose this option if your computer is set up for secure authentication using an NT LAN Manager. In general, Kerberos should be preferred over NTLM as it provides for a higher level of security.
  - TLS Certificate: Choose this option to use certificate-based authentication on a connection with SSL/TLS or STARTTLS enabled, without the need to provide any password for authentication.
  If you are unsure which options are supported by your server, contact your service provider or system administrator.
- Check for new messages at startup: Choose this setting if you want Mail & Newsgroups to automatically check this account for new messages whenever you start Mail & Newsgroups. For POP accounts, Mail & Newsgroups doesn't download the new messages until you click Get Msgs on the Mail toolbar.
- Check for new messages every [__] minutes: Choose this setting to automatically check for new messages, and then specify the number of minutes between mail checks. If you do not select this setting, you can check for new messages at any time by clicking Get Msgs in the Mail window.
- Automatically download any new messages: Choose this setting if you want Mail & Newsgroups to retrieve messages immediately each time it checks the server.
- Fetch headers only: Choose this setting if you want to only download the headers instead of entire messages when downloading new mail. This option requires your POP server to support the TOP command. Most recent POP servers support it, but if you are unsure about your server, contact your service provider or system administrator.
- Leave messages on server: Choose this setting to store a copy of messages on the mail server in addition to downloading them to your computer.
  - For at most [__] days: Choose this setting to remove messages from the server automatically after the number of days you enter here.
  - Until I delete them: Choose this setting to remove messages from the server once you delete them.
- Empty Trash on Exit: Choose this setting to empty the Trash folder whenever you quit Mail & Newsgroups.
- Advanced: Lets you choose where new messages should be put. You can also set the server to be queried when checking for new messages.
- Local directory: The location on your hard disk where mail for this account is stored.

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### News Server Settings

This section describes how to change news server settings. If you are not already viewing news server settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account name and click the Server Settings category. (If you chose a newsgroup server when you set up this account, you see your newsgroup server settings.)

- Server Type: The server type (NNTP) that you specified when you created this account.
- Server Name: The server name that you specified when you created this account. If you are having problems receiving messages from this account, verify with your service provider or system administrator that the server name you entered is correct.
- Port: Unless otherwise instructed to do so by your service provider or system administrator, leave this setting unchanged.
- Connection security: Choose SSL/TLS if your news server is configured to send and receive encrypted messages, or None if it doesn't support it. If you are unsure, contact your service provider or system administrator.
- Check for new messages at startup: Choose this setting to automatically check for new messages when you first open the Mail & Newsgroup component of &brandShortName;.
- Check for new messages every [__] minutes: Choose this setting to automatically check for new messages, and then specify the number of minutes between mail checks. If you do not select this setting, you can check for new messages at any time by clicking Get Msgs in the Mail window.
- Ask me before downloading more than [__] messages: Choose this setting to conserve disk space and download time, by setting a limit for the number of messages you can retrieve at one time.
- Always request authentication when connecting to this server: Some servers allow you to talk to them without logging in, but will silently hide all the private groups/postings unless you are logged in. Choose this setting to force &brandShortName; to authenticate each time it connects to this server even when the server doesn't ask (also called Pushed Authentication).
- newsrc file: The path to the newsrc file is mostly displayed for your information. The newsrc file stores information about the newsgroups to which you are subscribed and the messages you have read in each newsgroup.
- Local directory: The location on your hard disk where messages for this account are stored.
- Default Text Encoding: Click this drop-down list to select the text encoding you want Mail & Newsgroups to use as the default for incoming newsgroup messages. This is recommended if it is likely you might receive messages in which the text encoding (MIME charset parameter) is not indicated, such as when reading messages in international newsgroups.

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## Mail & Newsgroups Account Settings - Copies & Folders

This section describes the settings for sending automatic copies, for storing copies of outgoing messages, for storing draft messages and message templates, and where to move archived messages.

By default, &brandShortName; Mail & Newsgroups stores copies of your outgoing messages in the Sent folder for the current account. &brandShortName; Mail & Newsgroups also stores draft messages in the Drafts folder, message templates in the Templates folder, and moves archived messages into the Archives folder for the current account.

If you are not already viewing the settings for Copies & Folders, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account, and click Copies & Folders. You see the Copies & Folders panel.

- Place a copy in: Select this option to store copies of your outgoing mail and newsgroup messages after they have been sent. By default, the copies are placed in the Sent folder of this account.
  - "Sent" Folder on: Select the Sent folder of an account or the Local Folders to place the copy in.
  - Other Folder: Select any folder of any account or the Local Folders to place the copy in.
  - Place replies in the folder of the message replied to: Select this option for a different handling of replies in mail accounts. If the message sent is a reply to another message, the copy is put into the folder of the original message rather than following the selections made above.
- Cc these email addresses: Select whether you want to always send a carbon copy (cc) to another addressee, and enter the address. If you want to always send a carbon copy to yourself, just add your address to this list. Separate addresses with commas (,).
- Bcc these email addresses: Select whether you want to always send a blind carbon copy (bcc) to another addressee, and enter the address. If you want to always send a blind carbon copy to yourself, just add your address to this list. Separate addresses with commas (,).
- Keep draft messages in: Select where to store draft messages. If you don't want to use the default Drafts folder for the current account, select the Drafts folder of a different account or the Local Folders, or click Other Folder and then choose any account and folder for storing drafts.
- Keep message archives in: Select where to move archived messages to. If you don't want to use the default Archives folder for the current account, select the Archives folder of a different account or the Local Folders, or click Other Folder and then choose any account and folder for archiving messages.
- Keep message templates in: Select where to store message templates. If you don't want to use the default Templates folder for the current account, select the Templates folder of a different account or the Local Folders, or click Other Folder and then choose any account and folder for storing templates.
- Show confirmation dialog when messages are saved: Choose this option if you want Mail & Newsgroups to display a confirmation dialog box when you save a draft message or a template. If checked, a dialog box will appear when you save a draft or template to remind you where &brandShortName; Mail & Newsgroups is saving the draft or template.

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## Mail & Newsgroups Account Settings - Composition & Addressing

You use Composition settings to choose how to format text, handle replies, and how a signature you defined is included.

If you are not already viewing the Composition settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account and click the Composition & Addressing category.

- Compose messages in HTML format: Use the HTML editor as the default editor for writing mail and newsgroup messages. Leave this item unchecked to use the plain-text editor by default. HTML messages can include formatted text, links, images, and tables, just like a web page. However, some recipients may not be able to receive HTML messages.

  Tip: If you only want to use an editor occasionally, you can hold down the Shift key while clicking the Compose or the Reply button to switch to the non-default on an as-needed basis.

- Automatically quote the original message when replying: Select this to include the original message text in your reply. Use the drop-down list to select if the cursor should be positioned below or above the quoted text. You can also choose the quoting to be automatically selected.
  - and place my signature: This drop-down list lets you choose where you want your signature to be placed. It's only applicable if you decided to attach a signature and to place the cursor above the quoted text.

- Include signature for replies: If you have created a signature, select this option to include it in your reply to a message. The signature is added according to your settings for quote and signature placement.
- Include signature for forwards: If you have created a signature, select this option to include it when you forward a message. The signature is placed according to your reply settings when forwarding inline.

You use Addressing settings to override the global LDAP server settings specified for all address books in the Preferences dialog box. LDAP server settings affect the behavior of address autocompletion, and you can change these settings for each account if necessary.

Address autocompletion uses your address books to find matching entries when you type email addresses in the addressing area of the Compose window.

If you are not already viewing the Addressing settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the account and click the Composition & Addressing category.

- Automatically append my domain to addresses: Select this if you want Mail & Newsgroups to automatically complete addresses you type with the domain from your account's address.
- Use my global LDAP server preferences for this account: This is the default. Select this if you don't want to override the global LDAP server preferences for this account.
- Use a different LDAP server: Select this option and then choose another LDAP server from the list if you want to use a different LDAP directory server for address autocompletion with this account. If necessary, click Edit Directories to edit individual directory server settings, add a directory server, or delete a directory server. For more information, see Adding and Removing LDAP Directories.

The directory you select will also be searched for matching certificates when you attempt to send an encrypted message to one or more recipients for whom you don't have certificates on file.

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## Mail & Newsgroups Account Settings - Synchronization & Storage

Synchronization & Storage settings let you conserve disk space or set up an account so that you can use it while offline (disconnected from the Internet). The settings available depend on the mail server type (IMAP, POP, or News) associated with the account.

- Synchronization & Storage Settings (IMAP)
- Disk Space Settings (POP)
- Disk Space Settings (Blogs)
- Synchronization & Storage Settings (News)
- Common Retention Policy Settings

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### Synchronization & Storage Settings (IMAP)

If you are not already viewing the synchronization and storage preferences for an IMAP account, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Choose the Synchronization & Storage category for an IMAP account.

- Keep messages for this account on this computer: Select this option so that messages in your folders will be available when you are working offline. This setting also applies to any new folders created or subscribed to.
- Advanced: Click to open a dialog to select the folders that you want to make available for offline use. See Selecting Items for Offline Viewing for more information.

  Note: While the default setting can be overridden for an individual folder, those per-folder settings are removed whenever the Keep messages for this account box is toggled.

- Synchronize all messages locally regardless of age: When synchronization is enabled for an account or a folder, all messages are downloaded and local copies of them kept on disk, unless a size limit is specified.
- Synchronize the most recent [__] [days]: Only copies of messages younger than the specified number of days (weeks, months, years) are kept locally for synchronization, after that they are removed from the offline storage. This does not affect the originals on the server, only the local copies are removed if the given age is reached.
- Don't download messages larger than [__] KB: Select this option to conserve disk space by preventing large messages from being downloaded. Enter the maximum size for downloaded messages. Changing this option does not affect messages that have already been downloaded.
- The retention settings can be used to free up space by deleting old messages. Note that these settings apply to both local copies and their originals on the server.

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### Disk Space Settings (POP)

Messages from POP accounts are fully downloaded to your local machine unless you have enabled the Fetch headers only setting. This section describes how you can save disk space for a POP account. If your account has the Fetch headers only setting enabled, then these Disk Space preferences are ignored. If you are not already viewing the Disk Space preferences for a POP account, follow these steps:

Begin from the Mail window.

1. Open the Edit menu, choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Click the Disk Space category for a POP account.

- Messages larger than [__] KB: Select this option to conserve disk space by preventing large messages from being downloaded. Enter the maximum size for downloaded messages.
- The retention settings can be used to free up space by deleting old messages. Note that these settings apply to both local copies and their originals on the server.

  Note: If your POP account is set up to use a Global Inbox, the retention period settings of the target Inbox apply.

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### Disk Space Settings (Blogs)

Messages from blogs & news feeds accounts are only stored in your local machine in their short form, ie. the article summary, regardless of whether your settings are to show the full articles by default. Still, there are options to control how much disk space is used by your blogs & news feeds account. If you are not already viewing the Disk Space preferences for a blogs & news feeds account, follow these steps:

Begin from the Mail window.

1. Open the Edit menu, choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Click the Disk Space category for a blogs & news feeds account.

There, you can specify which messages should be deleted to recover disk space:

- Don't delete any messages: Select this option to keep all messages forever. Keep in mind that, if you are subscribed to very high-traffic blogs, this will increase the occupied disk space steadily and could eventually fill up your hard disk.
- Delete all but the most recent [____] messages: Select this option to keep in each feed only a maximum number of messages. Enter the maximum number of messages (being 1,000 by default).
- Delete messages more than [__] days old: Select this option to keep in each feed only messages that are not older than the number of days you enter here (being 30 days by default).
- Always keep flagged messages: Check this option to save (not delete) flagged messages, regardless of its age.

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### Synchronization & Storage Settings (News)

If you are not already viewing the offline and disk space settings for a News account, begin from the Mail window:

1. Open the Edit menu, and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Choose the Synchronization & Storage category for a News account.

- Select newsgroups for offline use: Click to select the newsgroups that you want to make available for offline use. See Selecting Items for Offline Viewing for more information.

The following settings help to save disk space and download time. Specify which messages you don't want to download locally:

- Read messages: Select this option to only download message bodies from messages you haven't already read.
- Messages larger than [__] KB: Select this option to conserve disk space by preventing large messages from being downloaded. Enter the maximum size for downloaded messages.
- Messages more than [__] days old: Select this option to only download messages that are not older than the number of days you enter here.

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### Common Retention Policy Settings

&brandShortName; can automatically delete old messages for you. You can configure this process with the options listed below To recover disk space, old messages can be permanently deleted:

- Don't delete any messages: Keep all messages. Never delete messages automatically based on their age.
- Delete all but the most recent [__] messages: Enter the number of messages to keep. With this setting only messages older than these messages are deleted.
- Delete messages more than [__] days old : Keep all messages that arrived within the given number of days.

With the following settings you can further constrain the three options to delete messages automatically. This is especially useful in combination with the option to keep all messages.

- Always keep flagged messages: Use this option to deny &brandShortName; to delete any messages you have flagged.
- Remove bodies from message more than [__] days old: Select this option to retain all headers but to delete message bodies that are older than the number of days you specify here (news accounts only). Any option to delete the entire message based on age still applies.

This policy can be overridden for an individual folder in the Folder Properties, Retention Policy tab.

Note: If message synchronization is enabled (for IMAP), or messages are left on the server (for POP accounts), the settings apply to both local copies and their originals on the server.

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## Mail & Newsgroups Account Settings - Junk Settings

This section describes how to use the account junk settings. If you are not currently viewing the Junk Settings, follow these steps:

1. Open the Edit menu, and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Click the Junk Settings category for your mail account.

You use the Junk Settings panel to define your account-specific settings for the adaptive mail filter. Global junk settings are changed under Mail & Newsgroups Preferences - Junk & Suspect Mail.

- Enable adaptive junk mail controls for this account: Toggle this option to activate or deactivate junk mail classification.
- Do not mark mail as junk if the sender is in [the address book chosen from all your address books available in the drop down box]: Choose this option to prevent messages from people you know inadvertently classified as junk mail.
- Trust junk mail headers set by [an external junk filter like Spam Assassin or Spam Pal]: Choose this option if you want to trust the junk classification of external filter programs.
- Move new junk messages to: Check this option to automatically move messages flagged as Junk to a special folder.
  - Junk folder on [account]: Select this to use the default Junk folder.
  - Other: [account]: Select this to choose your own custom-named junk folder.
  - Automatically delete junk messages older than [__] days from this folder: If you are confident old messages classified as junk are indeed junk mail, check this option to automatically delete old junk messages after a grace period.

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## Mail & Newsgroups Account Settings - Return Receipts

This section describes how to use the Return Receipts account settings. If you are not currently viewing the Return Receipts settings, follow these steps:

1. Open the Edit menu, and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Click the Return Receipts category for your mail account.

You use the Return Receipts settings to define return receipt settings for outgoing messages from this mail account. You also use the Return Receipt settings to specify how to manage requests you receive for return receipts. These settings override global return receipt preferences you specified using Mail & Newsgroups Preferences - Return Receipts.

- Use my global return receipt preferences for this account: By default, this account uses the return receipt preferences specified by Mail & Newsgroups Preferences - Return Receipts.
- Customize return receipts for this account: Lets you change the return receipt preferences for this account.
  - When sending messages, always request a return receipt: Enables automatic return receipt requests for all outgoing messages from this mail account.
  - Leave it in my Inbox: Return receipt confirmation messages are delivered to the Inbox for this account.

    Tip: Choose this option if you want to use a filter that automatically moves return receipt confirmation messages to a folder you specify. For information on creating and using filters, see Creating Message Filters.

  - Move it to my Sent Mail folder: Incoming return receipt confirmation messages are moved to the Sent mail folder for this account.
  - Never send a return receipt: Choose this option if you do not want to send a return receipt in response to requests for return receipts from others.
  - Allow return receipts for some messages: Choose how you want to respond to requests you receive for return receipts.

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## Mail & Newsgroups Account Settings - Security

This section describes how to configure the Mail & Newsgroups Account Settings that control mail message security. Before you do so, however, you must obtain one or more mail certificates. For details, see Signing & Encrypting Messages.

If you are not already viewing the Security settings for your mail account, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings.
2. Click Security under the name of the mail account whose security settings you want to configure.

In this section:

- About Certificates
- Digital Signing
- Encryption

### About Certificates

The main purpose of the Security panel in Mail & Newsgroups Account Settings is to select two certificates:

- The email certificate you want to use for signing mail messages you send to other people.
- The email certificate you want other people to use when they encrypt messages they send to you.

Depending on the policies of the certificate authority (CA) that issues your certificate(s), you can use one certificate for both purposes or two different certificates. Even if you use just one, you must specify it twice, once for digital signing and once for encryption.

The certificates you select here are included with every signed message you send. These certificates allow your recipients to verify your digital signature and to encrypt messages that they send to you.

### Digital Signing

You use the Digital Signing area in the Security panel to specify how you want to sign your email messages:

- Use this certificate to digitally sign messages you send: If this field is empty or if it displays the wrong certificate, click Select to choose from the certificates you have on file.
- Digitally sign messages: Select this checkbox if you want to digitally sign all the messages you send. (A personal certificate must be specified below before you can select this checkbox.)

Regardless of whether the Digitally sign messages checkbox is selected here, you can change your mind before you send an individual message.

To change the digital signature setting for a message you are writing in the Compose window, click the arrow below the Security icon near the top of the window and select or deselect Digital Sign This Message. For details, see Signing & Encrypting a New Message.

### Encryption

You use the Encryption area in the Security panel to specify how you routinely want to use encryption when sending your messages:

- Use this certificate to encrypt & decrypt messages sent to you: If this field is empty or if it displays the wrong certificate, click Select to choose from the certificates you have on file.
- Never: Select this option if you never want to use encryption, or only occasionally.
- Required: Select this option if you always want to use encryption. If you don't have all the necessary certificates, the message won't be sent unless you explicitly turn off encryption for that message only.

Regardless of which encryption option you select, you can change your mind before you send an individual message.

To change the encryption setting for a message you are writing in the Compose window, click the arrow below the Security icon near the top of the window and choose the encryption setting you want. For details, see Signing & Encrypting a New Message.

[Return to beginning of section]

## Mail & Newsgroups Account Settings - Local Folders

Local Folders is the account where &brandShortName; Mail & Newsgroups saves any messages that you send while working offline. Messages you send while working offline are saved in the Unsent Messages folder under Local Folders. Any folders you create under the Local Folders account reside on your hard disk, so Local Folders is a good place to save messages that you want to keep.

If you are not already viewing the Local Folders settings, begin from the Mail window:

1. Open the Edit menu and choose Mail & Newsgroups Account Settings. You see the Mail & Newsgroups Account Settings dialog box.
2. Select the Local Folders category.

- Account Name: The name associated with the Local Folders account.
- Local directory: The location on your hard disk where mail for this account is stored.

[Return to beginning of section]

## Mail & Newsgroups Account Settings - Outgoing Server (SMTP)

The outgoing server will transport your outgoing mail to the intended recipients.

If you are not already viewing the Outgoing Server (SMTP) settings, begin from the Mail window:

1. Click on any Mail window.
2. From the Edit menu, choose Mail & Newsgroups Account Settings.
3. Select Outgoing Server (SMTP) and either edit an existing server or add a new one. If you are not sure which option to choose, check with your ISP or system administrator)
   You can choose from these servers via the Outgoing Server dropdown in the Identity Settings.

- Description: A short freetext description of that server configuration. This will show up as first part in the server list.
- Server name: The SMTP server that will deliver your outgoing mail. To use a different SMTP server, change this field.
- Port: The port on which the SMTP server will be connected. By default it holds the standard port for the specified encryption. Change it if the mail server is listening for connections on a non-standard port.
- Connection security: Choose one of the available options to establish a secure connection to your outgoing SMTP server. You can choose one of these:
  - None: &brandShortName; will use a plain connection, without encryption at all. You should choose this only if your outgoing server allows password encryption, doesn't support any type of security at all, or if no authentication is required to send messages.
  - STARTTLS: Require an encrypted connection, use the STARTTLS method. This mechanism will usually run on the standard SMTP-submission port 587 or the generic port 25.
  - SSL/TLS: Require an encrypted connection, use the SMTP-over-SSL (also known as SMTPS) method. The default port for this is 465.
  If you make a choice for which your server is not configured, you will get an error message when sending mail.
- Authentication method: Choose one of the available options to use secure authentication with your incoming SMTP server. You can choose one of these:
  - No authentication: Neither a user name nor a password will be sent to the server. This option may be chosen if the SMTP server is in a local network or if other means are provided to authenticate the user, such as POP before SMTP.
  - Normal password: &brandShortName; will send your password as clear text, without encryption at all. This option is safe when SSL/TLS or STARTTLS is used.
  - Password, transmitted insecurely: Same as Normal password but only available when a connection security of None is selected and hence is unsafe. Do not choose this unless your outgoing server doesn't support any type of security at all.
  - Encrypted password: Require the encryption of the user's credentials as supported by the server, such as CRAM-MD5. This option is safe to use even if the connection security setting is None, but only the password would be secured in this way, not any content.
  - Kerberos / GSSAPI: Choose this option if your computer is set up for secure authentication using Kerberos. You may need to acquire a Kerberos ticket by using a separate program, or it may be assigned to you when logging into your computer.
  - NTLM: Choose this option if your computer is set up for secure authentication using an NT LAN Manager. In general, Kerberos should be preferred over NTLM as it provides for a higher level of security.
  If you are unsure which options are supported by your server, contact your service provider or system administrator.
- User Name: The user name that you specified when you created this account. Not available if No authentication is selected.

[Return to beginning of section]