Apache SpamAssassin is a free and open source mail filter written in Perl

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23 views

How can I filter spam based on the return path in an email with clamav/amavis/spamassassin/postfix

I run an Ubuntu 12.04 server that hosts a few sites and has a handful of mail users. For email, I am using postfix/dovecot with clamav/amavis/spamassassin for anti-spam/virus. This works pretty well ...
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364 views

how to block spam email by subject in zimbra

How to block spam email by subject, I did try this step as well, but doesn't works. It uses custom_header_checks and define some parameters, I did try such parameters and restart the services but it ...
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169 views

Spam filtering on a VPS at SMTP using WHM

CENTOS 5.10 i686 xenpv – server WHM 11.44.1 (build 18) I am addressing this problem: I have a VPS set up as MX for several of my domains. The e-mail for these domains are just aliases to other mail ...
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43 views

DNS configuration for subdomain email address

When I send emails from an account that is associated with an add-on domain on my shared hosting account (Bluehost) to a mailbox in the primary domain, they get tagged as spam. This is of course even ...
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1answer
57 views

Strange emails in postfix queue

Currently I am not sending any emails, I have postfix and dovecot installed but in the in the postfix mail queue I see strange emails almost every minute, i dont know from where is this spam ...
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141 views

Blocking or filtering chinese spam using postfix

My mail server runs postfix, spamassassin, amavis and sieve. Using a combination of any of these, is it possible to block or tag any mail I receive that is written in non-"English" characters? I.e ...
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1answer
278 views

Disable Clamav / Amavis / SA in Postfix on Debian

I would like to disable Clamav / Amavis / SpamAssasin in Postfix on Debian Squeeze 6.0.8 as I have I outsourced my AV to other server. I tried commenting content_filter and receive_override_options ...
2
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1answer
172 views

Reject forged emails with spamassassin from own email address

Lately I've been receiving ~10 emails per day from myself. It's my own domain hosted on my own server (at home). I'm running openpanel and spamassassin. How can I configure spamassassin to block such ...
4
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1answer
2k views

How to integrate Thunderbird with SpamAssassin running on the server?

I'm trying to integrate SpamAssassin running on a server with Thunderbird. Basically I need to be able to select several emails in Thunderbird and send them back to SpamAssassin for training, either ...
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255 views

How to stop demonize version of spamd

Recently i use the demonize version of spamassasing (spamd) en Centos In some circumstances i need to stop the deamon. My question is about the best way to do that. I'm used to stop the mailserver ...
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1answer
192 views

How do I raise the SmarterMail maximum scanning size for a message?

I've got this one spammer sending really lengthy spam. They're brilliant, these guys are top notch and I'd suggest anyone who wants to spam the hell out well configured spamassassin protected boxes ...
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138 views

Using sa-learn on already filtered mails?

To have spamassasin working correctly you need to train it: feeding it ham and spam messages. But what happens when you feed it spam messages which have already been processed? And by that I mean: ...