>Every so often, Imail will bounce back an email sent to a user at another
>domain. The email address is valid, sending via other mail servers work,
>but Imail rejects it saying user not found. Why is Imail checking its
>local user database for email sent to an outside domain?
The answer -- or at least a path to it -- is in the IMail log file.
Take one of the bounce messages, check the time that it was sent, and then
check the IMail log file (usually \IMail\spool\sys####.txt) at that
time. You should see IMail trying to deliver the E-mail, and the response
from the remote server.
One possibility is that IMail is incorrectly sending to the A record of the
domain instead of the MX record(s), a known IMail bug. In this case, it
may return "host unknown" (if there is no A record) or "user unknown" (if
there is an A record with a legitimate mail server, such as the one that
Microsoft requires IIS to use to send mail).
-Scott
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for
IMail. http://www.declude.com
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