When I set up email redirects within Plesk 9.5, Spamassassin ignores all emails sent to the redirected address and only scans emails that are sent directly to the address which has a mailbox.
Steps to reproduce
Set up two mail accounts:
[email protected] as a proper email account with a mailbox and
[email protected] with all emails redirected to
[email protected]. (It doesn't make a difference, if
[email protected] has a mailbox enabled or not.)
[email protected] ->
[email protected]
Set up the spam filter on both accounts. I set mine to delete spam right away, but you can just keep the default ("mark as spam").
Now, when you send an emails to
[email protected], it will have Spamassassins tags in the email header, but when you send emails to
[email protected], they will end up in the same mailbox but will have no spamassassin tags in the emails header and they will not be scanned.
Other notes
I am using Plesk 9.5.4 on Ubuntu 8.04 LTS with the default Qmail.
I've observed this bug since Plesk 8, but I can't stand it any more and would appreciate any hack or fix.