`archivemail' is a tool written in python for archiving and compressing old email in mailboxes.
It can move messages that are older that the specified number of days to a mbox-format mailbox
compressed with gzip, or optionally just delete old email.
Postfix Log Parser in Python is a log analysis tool written in python language to get statistic reports and detect anomalous behaviours on a mail server based on Postfix and Cyrus
Philter is a mail filter written in Python to sort mail in a Qmail style Maildir on Linux. It is used in association with a mail fetching tool like getmail. A properties file is used to setup the basic configuration.