aliases.html.
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490 | Chapter 13: Mailing Lists and ~/.forward
13.3 Defining a Mailing List Owner
Notification of an error in delivery to a mailing list is sent to the original sender as
bounced mail. Although this behavior is desirable for most mail delivery, it can have
undesirable results for mailing lists. Because the list is maintained locally, it does not
make sense for an error message to be sent to a remote sender. That sender is likely
to be puzzled or upset and unable to fix the problem. A better solution is to force all
error messages to be sent to a local user, regardless of who sent the original message.
When sendmail processes errors during delivery, it looks to see whether an ???owner???
was defined for the mailing list. If one was defined, errors are sent to that owner
rather than to the sender. The owner is defined by prefixing the original mailing list
alias with the phrase owner-, as shown in the following aliases file fragment:
nuts: :include:/home/lists/nuts.list
owner-nuts: george
Here, nuts is the name of the mailing list. If an error occurs in attempting delivery to
the list of recipients in the file /home/lists/book.list, sendmail looks for an alias called
owner-nuts (the original name prefixed with owner-).
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