Spam - Dirk-Jan's log

Dirk-Jan's log

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Spam

A collection of 4 posts

Ipurge

No, it’s not another Apple app, it’s an handy tool that comes with the Cyrus mailserver package to delete mail from IMAP mailboxes. I have setup two entries to get rid of unnecessary messages from the spam and trash folders for all users. The following rules have been

iXhash does a good job

Some weeks ago I installed the iXhash [http://ixhash.sourceforge.net/] spamassassin plugin and the spamtagging became noticeable better. Just look at the spam stats [https://vleeuwen.net/stats] page. What is does is it creates md5 checksums of parts of the body of an email and compares them to

Sendmail and Realtime Blackhole lists

I’ve just updated my sendmail.mc with some RBL’s checks (dnsrbl feature) which is working out quite well. By using Sendmail with dnsrbl checks instead of a anti-spam program such as Mailscanner which also uses the same RBL mechanism you take the advantage of Sendmail dropping the connection

Yiha! Spam graphs!

To keep track of all unsolicited mail my mail server recieves daily I came across a nice Spamassassin plugin called Stats Plugin [http://wiki.apache.org/spamassassin/StatsPlugin]. This plugin dumps realtime Spamassassin statistics (mail,spam,ham) into a MySQL table from which you can easily create graphs with Cacti.