Utilities: Administration: Server: Server Settings: Automatic Maintenance: Error Mail

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Bounce Handling

This option sets whether permanent failures are handled in memory, which may be faster, or if they are saved in the incoming mail database, and processed there.

When a message mailing is sent out to its recipients, some of the receiving mail servers will initially accept the messages but then send a notice back saying the recipient could not receive the message. ListManager automatically tracks these messages, and determines when an email address has become invalid.

Settings:

Keep bounce messages to research user issues

ListManager will process these bounce messages in the incoming mail queue, and this data will be available when viewing the attempted mail history for individual members. NOTE We recommend that you choose this setting; as a result of the new Deliverability feature, this will allow you to see information about bounces in member history and view complaints in the Complaints reports.

Don't keep the bounce message text

ListManager will still process the error mail, but will not record the reason, making processing these messages faster and more efficient.

Auto-Hold Users

If set to "No", each list may specify whether or not it will put members that bounce too much mail in Utilities: List Settings: Automatic Maintenance: Error Mail: Hold Users. If set to "Yes", Hold Users will be disabled for every list on the server. You might want to disable holding members if your server is having network connectivity problems. You may set individual members to never be put on hold regardless of delivery problems in Members: View Members: Edit Member: Advanced Settings: Hold User.

Disable From: Checking

When set to "No" ListManager checks the From: field of incoming mail for spam and error messages using a list of regular expressions. To disable From: checking, set to "Yes".

For example, a message from postmaster@somedomain would normally be blocked, because postmaster@ is an automated address that usually sends delivery errors. However, a real person might use their postmaster@ account to belong a ListManager list and you might want to allow this.

These are the regular expressions ListManager looks for in the From: field, if From: checking is not disabled:

Disable Subject: Checking

When set to "No" ListManager checks the Subject: field of incoming mail for spam and error messages using a list of regular expressions. To disable Subject: checking, set to "Yes".

For example, ListManager normally blocks messages with a subject line of "out of office". Messages with that subject are typically auto-responder members, which inform people that they will not be able to answer their email in a timely manner. Blocking messages of that type prevents useless messages from going out to the list and prevent mail loops.

These are the regular expressions ListManager looks for in the subject, if subject checking is not disabled:

Disable First Line Checking

When set to "No" ListManager checks the subject and body of incoming mail for command and unsubscribe requests using a list of regular expressions. To disable first line checking, set to "Yes".

For example, a message sentence starting with "please remove" would normally be blocked, because it looks like an unsubscribe request sent to the list.

These are the regular expressions ListManager looks for in the first line, if first line checking is enabled:

1. Utilities: Administration: Server

1. Utilities: Administration: Server: Server Settings: Automatic Maintenance: Error Mail

2. Utilities: Administration: Server: Server Settings: Automatic Maintenance: Logging

3. Utilities: Administration: Server: Server Settings: Automatic Maintenance: Purging Old Data

4. Utilities: Administration: Server: Server Settings: Automatic Maintenance: Mail Loops