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Questions tagged [amavis]

Amavis is an open source content filter for electronic mail, implementing mail message transfer, decoding, some processing and checking, and interfacing with external content filters to provide protection against spam, viruses and other malware. It can be considered an interface between a mailer (MTA, Mail Transfer Agent) and one or more content filters.

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Postfix sending and receiving the same e-mail every 5 minutes for 4+ months

Back in June I sent myself the EICAR test signature to make sure my postfix/amavis/spamassassin etc setup was working properly. I didn't notice at the time, but this somehow created a tear in the space-time continuum or something whereby every 5…
James Carppe
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How to configure amavisd-new for only scanning on particular senders/servers?

I'd like to know how to configure amavisd-new to only scan for Spam on particular clients (IPs, CIDRs or hostnames) or alternatively sender's email domain. I know that it is possible to do it on a recipient's mail address but not on how to do it for…
mailq
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AMaViS: missing X-Spam-Status header

I set up a mail server with Dovecot, Postfix and AMaViS on Debian Squeeze following the tutorial on workaround.org (ISPmail tutorial for Debian Squeeze). It uses virtual domains and stores the domains, e-mail addresses and accounts in a MySQL…
Jan
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Optimal parameters set for Postfix "smtpd_recipient_restrictions"

we've inherited the DNS from another ISP and now our mail server is bombed by about 1000 emails per minute, 99.99% of these emails are just spam. We're trying to optimize the filtering/rejecting the spam with no much luck. What would be on your…
Igor
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Enabling Bayesian filter with amavisd-new + Spamassassin

I run a Postfix mailserver on CentOS, and am trying to enable Spamassassin's bayes filter, but I seem to be missing something. We're running amavisd-new 2.9.1: Name : amavisd-new Arch : noarch Version : 2.9.1 Release :…
David W
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How to Remove UNCHECKED Term Attached in Email Subject Area When Received

How do I turn off "UNCHECKED contents in mail FROM" mails sent by Amavis to the postmaster of the domain every time a user sends an encrypted mail. The setup is a Debian 7 with postfix and amavisd.
nazco
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Is there a reason why DKIM signs every mail twice

I've configured my postfix/amavisd-new/spam-assassin setup after this tutorial https://help.ubuntu.com/community/Postfix/DKIM. But now the problem is that all mails I send are double signed with two DKMI Headers, one before and one after the mail is…
nazco
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Stop Outgoing Spam Already Tagged as Spam

I run a Postfix server with Amavis and Spamassassin among other things. Postfix receives mail from the outside world and passes it on to Amavis. Amavis has Spamassassin rate the mail, and then tags it as spam if necessary. Then Postfix relies on…
me
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clamav error: mpool_malloc(): Attempt to allocate 8388608 bytes

Following error is showed when starting clamd; freshclam[26882]: [LibClamAV] mpool_malloc():Attempt to allocate 8388608 bytes. Please report to http://bugs.clamav.net I have lots of RAM memory unused on my linuxOS, but this error keeps showing…
george long
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amavis cronjob throwing an error out of nowhere

Can someone explain why amavis cronjob is suddenly trowing the following error? Cron test -e /usr/sbin/amavisd-new-cronjob && /usr/sbin/amavisd-new-cronjob sa-sync rules: failed to run T_SPF_HELO_PERMERROR test, skipping: (Can't…
Daywalker
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Amavis / spamassassin setup, how to disable quarantine and get default spamassassin behavior back?

I've set up my first mail server that uses amavis. First off, I don't really see the point in amavis if I don't care about viruses. I don't use clamav as it's a huge RAM hog. SpamAssassin has worked just fine before on its own without amavis. Just…
CaptSaltyJack
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Spamassassin: store bayes per user in mysql (with amavis)

I use postfix (mysql virtual users) + amavis + spamassassin and configured spamassassin to use mysql for storing the bayes data: use_bayes 1 bayes_auto_learn 1 bayes_store_module …
ChristophLSA
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DKIM on postfix relay server

I have a postfix/amavis relay server, with the domain name mail.example.com. It will be a relay for dozens of VPS's, which will have domains like hostname.example.net. So i have actually two questions. Is it possible to use dkim to sign the mails…
Danijel Krmar
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postfix skip spam checks for authorized SMTP

Is there any way to configure postfix to skip spam/antivirus checks for those smtp connections that are SMTP-AUTH'ed? I would like to keep all the standard checks for external smtp traffic, but for my local users sending emails I would like to skip…
user8677
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Alternatives to amavis for RAM-bound server

I'm running a small VPS server that works as web and mail server. It has only 256MB of RAM, and it's sucking 100MB of swap constantly. I've found that one of the culprits is amavis, taking about 30MB of resident memory, and would like to ditch it…
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