Questions tagged [mailscanner]

A Free Anti-Virus and Anti-Spam Filter for Mail Servers

MailScanner is an email-security and anti-spam system for Mail Transfer Agents. According to the documentation, "The software works with any Unix-based system and is compatible with a wide range of mail transports. It comes with support for any combination of 25 different virus scanner packages, including the free ClamAV scanner, and its design allows the use of multiple virus scanners in parallel to increase the level of security."

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Mailscanner and amavisd-new comparison

I'm going to implement a mailfiltering gateway for my company. I'm going to use Postfix, with a PostgreSQL back-end. The question would be: how to best implement the antispam measures. Mailscanner + SpamAssassin? amavisd-new + SpamAssassin? (Note:…
pepoluan
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Filter messages in Mailscanner based on 'From:' header

I created a blacklist rule to filter out messages: From: *@job.com yes It works, partly, except that part of those messages are sent with a return-path other than job.com. I Googled a bit and Mailscanner actually check the return-path field when…
Halfgaar
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ClamAV Anti-Virus not Classifying Virus Emails as Virus

I have installed Sendmail as my SMTP mail server, SpamAssassin as Spam Classifier and ClamAV Anti-Virus. I tested out sending my server a virus email eicar.txt Now I am receiving the virus email in my mail and not in the quarantine folder. To find…
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MailScanner error "Cannot find Socket"

CentOS 7, mail server. Messages stopped going in and out. Tried to debug, saw this in /var/log/maillog: MailScanner[4786]: Cannot find Socket (/var/run/clamd.scan/clamd.sock) Exiting! But the socket has correct permissions: srw-rw-rw- 1 clamscan…
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Mailscanner increase spam score by domain

Our email server is getting lots of spam that isn't in our local language or is translated with help of Google. Our business 99% is local within country. Is it possible in Mailscanner to increase spam score (by N points) if email is coming from .cn…
Guntis
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Spamassasin / Mailscanner - "learn better"

Specs: debian 8 spamassassin 3.4.1 MailScanner 5.0.3 We have some mailservers which (auto and manually) learn via sa-learn from different hosting-servers. Spam will mostly get tagged and moved to the spam folder as wanted. SA-learn spam will be…
eXe
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Authenticated outgoing email is marked as spam by PBL on mailserver

Users are sending email, authenticated, through the submission port on my mailserver (their domain MX record points to mailserver; postfix). What's been setup A record MX record (pointing to same mailserver for all domains) PTR record resolving to…
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Configuring antispam email gateway with mailscanner and postfix as relay server

I have configured mailscanner and postfix to receive emails, scan it using clamAV and forward it to a mail server inside my network. internet<---->mail.abc.com(MailScanner)<----->mail1.abc.com(Dest. Email Server) Till now i'am able to receive email…
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Using fail2ban to block smtp

I have set up a working SMTP relay together with MailScanner. This SMTP relay is not — and will not be — able to relay email from the outside, only local email. We are providing a SMTP relay for our customer so they can get notification from for…
Orphans
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Plesk and MailScanner

Plesk has spam filtering features using SpamAssassin you can buy. But I was wondering, what if I just install Mailscanner? I mean, MailScanner installs itself in the postfix/exim/qmail pipeline and just lets the MTA deliver it normally. But because…
Halfgaar
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How to host an email gateway/firewall for OVH MX solution?

We have our emails hosted on OVH.com using their MX plans. It happens that we want to limit the subscriptions/spam/unwanted mails received by our enterprise's mails. To add OVH premade spam/virus mail filter, you only need to add dedicated MX…
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Failed SMTP Authentication - TOSHIBA e-STUDIO255

I do have TOSHIBA e-STUDIO255 and i have configured scan to email option. about one week it's worked perfectly but now it's keep giving me this error "Failed SMTP Authentication". i have not change any settings on printer. smtp settings as…
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Mailscanner Installation. Where to put '/^Received:/ HOLD?'

I am trying to install Mailscanner onto a Centos VPS and there is a section of the tutorial which I am reading that states the following: Next, open the file /etc/postfix/header_checks and add this line: /^Received:/ HOLD This tells…
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