Use of .forward file

[darden]

Hello there,

I'm checking the use of exim4 filters with the .forward file, under the user Maildir folder, p.e:

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/home/user/mail/domain.com/account/.forward

With no luck. The sample forward is:

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# Exim filter

if $header_From: contains "[email protected]"
then
  testprint "from=$header_From to=$h_To"
  save /home/user/mail/domain.com/account/.Test/
  finish
endif

The Test folder exists, and contain {new, cur, etc} subfolders.

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sudo -u user /usr/sbin/sendmail -bf /home/user/mail/domain.com/account/.forward -f [email protected] < test-email.eml 

Seems Ok, as it says test-email would be moved to the desired folder.

But when i try to check the filter with a mail, nothing happens. Am I missing something?

Edit: Debian 11 with Exim 4.94.2

[darden]

Ok, a more in depth check about this.

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sudo exim -d -bt "[email protected]" 2>&1

Will throw the userforward router with:

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userforward router skipped: account is not a local user

I guess .forward filtering won't work with virtual accounts, just for system accounts.

[merle4127]

You’re right—.forward only works for real system users, not virtual mail accounts. for virtual mailboxes, exim ignores it. the easy fix is to use dovecot sieve filters instead, since they work at the user level and can move mails into folders like test without touching exim configs.