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Questions tagged [spamassassin]

SpamAssassin is a computer program released under the Apache License 2.0 used for e-mail spam filtering based on content-matching rules.

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Spamassassin flagged something as spam that is not spam. How do I tell it so?

This is sort of a general question about training spamassassin. I have a newly set up mailserver which filters incoming mail through spamassassin. I recently got a flight reservation flagged as spam (score 5) and would like to tell spamassassin it's…
Nick Jennings
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Is SRS rewriting absolutely necessary for a forwarding mailserver?

I am operating a Postfix email server for my domain, say mydomain.com. It mostly acts as a forwarding email server: users receive an email address @mydomain.com, but usually elect to have their address forward to an external inbox (Gmail, Yahoo,…
tlng05
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How to minimise SpamAssassin (spamd) memory use

I'm using SpamAssassin on Debian (the default configuration with Pyzor, AWL and Bayes disabled, and sa-compile enabled), and each of the spamd child processes consume around 100 to 150MB of memory (around 50MB of real memory) on the 32 bit servers,…
Tony Meyer
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Using fake MX records to combat spam

I have a client that is getting heavily spammed.. It's the 15th of the month and POP3 bandwidth is almost 100 GB. There are only 7 e-mail accounts on this domain. I installed SpamAssassin set it to 5 and setup 10-20 filters reject most of the junk.…
Mikey1980
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Is there any alternative to SpamAssassin?

I'm looking for an alternative to Spamassassin. Anyone tried rspamd ?
dynax60
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Mail with DKIM Signature gets T_DKIM_INVALID flag by SpamAssassin

I've installed a Debian (jessie) box with postfix and spamassassin. Configured and everything works fine. Except receiving mails with DKIM signatur will produce a flag T_DKIM_INVALID even if the signature is valid. See log example below. After that,…
High Ball
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How can I reduce the damage of stolen mail accounts?

Currently I’m offering some webhosting to a few advertising agencies for their premium customers. But currently I have a great problem with the E-Mail Service. In the last week, the E-Mail Accounts of about 7 companies were stolen and used to send…
user39063
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How to edit bad word filter in SpamAssassin?

How can I add several custom "bad" words into SpamAssassin, so emails that contains that words are marked as a spam? UPDATE one of the keys is to edit file /etc/mail/spamassassin, and to add badword filter as described on…
user48058
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Recommended way to implement Postfix 'before-queue' SpamAssassin filtering?

After some discussions with colleagues and the relevant depts. in my office, I have come to the conclusion that for my Postfix server, I must implement a before-queue filtering. The reason is that with an after-queue filtering, the email would be…
pepoluan
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How do I prevent the SPF_HELO_NONE warning when sending from Postfix?

When using a tool like https://dkimvalidator.com/ to verify configuration of DKIM, SPF, DMARC, etc. for sending mail from a web server, I get a warning like this: 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record It seems like a bad…
Walf
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Is there a way to get spamassassin to score the top lines of a message body more heavily?

A lot of spam is getting through the filter on the mail server I run with the relatively simple trick of starting with few lines of (incredibly obvious) weight loss or other scam text at the top, followed by a larger body of text from programming…
mattdm
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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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Spamassassin logging scores

I have the Spamassassin 3.4 + Ubuntu 14 + Qmail + Clamav. All are running OK. When a SPAM is detected, it is marked as [spam] and delivered to recipients. Readind the spamd log (mail.log for me), I grep these lines: Jul 14 17:32:36 mail spamd[2575]:…
Daniel
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SpamAssassin: avoid FREEMAIL_REPLYTO on Contact Form

Suppose: someone fills out my contact form on www.example.com/contact/. My server-side script sends this information to a sales person at the organization. To make SPF work, I set the "From" as sales@example.com To make the "Reply" button work…
Sygmoral
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I need advices: small memory footprint linux mail server with spam filtering

I have a VPS which is originally destined to be a webserver but some minimal mail capabilities are needed to be deployed as well, including sending and receiving as standalone server. The current setup is the following: Postfix reveices the mail,…
petermolnar
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