Zimbra / Amavis blocking attachments

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Posts: 2
Joined: Fri Sep 01, 2023 7:38 am

Zimbra / Amavis blocking attachments

Post by cureit » Mon Sep 25, 2023 9:27 am

Dear MagicSpam-Team,

it is no longer possible to send out mails with a pdf attachment, due to the following error message:

Sep 1 16:27:42 mail amavis[23313]: (23313-01) do_notify_and_quarantine: spam level exceeds quarantine cutoff level 11
Sep 1 16:27:42 mail amavis[23313]: (23313-01) Blocked SPAM {DiscardedOutbound}, ORIGINATING_POST/MYNETS LOCAL []

We are currently running Zimbra [Release 8.8.15_GA_4362.RHEL8_64_20220721104405 RHEL8_64 FOSS edition, Patch 8.8.15_P41] with MagicSpam [2.1-14.3].

Disabling MagicSpam does not resolve the issue, only after uninstalling MagicSpam, e-mails get sent out correctly again.

Please urgently advise us on this issue.

Posts: 1562
Joined: Tue Oct 28, 2008 2:27 pm

Re: Zimbra / Amavis blocking attachments

Post by magicspam » Tue Dec 19, 2023 5:10 pm

Old post (sorry we didn't catch it earlier!).

Those log lines have nothing to do with MagicSpam. They appear to be strictly related to Amavis - which I believe runs SpamAssassin scans among others. From the looks of it, you have Zimbra configured to discard messages once they reach a certain spamassassin score (looks like 11 or more).

You will need to refer to Zimbra documentation to determine how to fine tune those settings, and/or how to figure out the cause of such a high score.
-- MagicSpam Support Team --

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