admin on August 16th, 2010

If you want to take care about your users quota and your storage space, check this … 1. Create new file (for example quota_notify inside /usr/local/sbin/ ) 2. Copy next content inside quota_notify #!/usr/bin/perl -w   # Author <jps@tntmax.com> # # This script assumes that virtual_mailbox_base in defined # in postfix’s main.cf file. This directory [...]

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amavisd-new is a high-performance and reliable interface between mailer (MTA) and one or more content checkers: virus scanners, and/or Mail::SpamAssassin Perl module. It is written in Perl, ensuring high reliability, portability and maintainability. It talks to MTA via (E)SMTP or LMTP protocols, or by using helper programs. No timing gaps exist in the design, which [...]

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admin on April 26th, 2010

Centos has a neat application for switching between alternative software packages, called alternatives. Few days ago I noticed that one server doesn’t send logwatch email. I wanted to see what was the reason and here are the few tips you can check before you dig inside logwatch settings. First, check /etc/aliases and root email inside [...]

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admin on March 9th, 2010

If you are administrating a mail server and use blacklists to block spam, sometimes you may have a problem with certain mail servers. This happens because a specific mail server was blacklisted. You can see that one server was blacklisted if you trace your maillog: reject: RCPT from unknown[196.206.244.208]: 554 5.7.1 Service unavailable; Client host [...]

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