I ran Sendmail 8.7 on the first mail server I operated for a large group of users, and it was hate at first sight. I kept up this War of the Roses until 8.9.0 and later moved to Postfix. In the years that followed, I lost track of the Sendmail Server Analyzer [1]. It was not until I read a small post online that I understood that SendmailAnalyzer also can evaluate Postfix logs and messages from Amavisd-new, ClamAV, SpamAssassin, Postgrey, and other MTA appendages. High time to try out the tool.

SendmailAnalyzer comes as a sleek tar.gz package and relies on the existence of Perl and the GD libraries. After the install, you need to set up a cronjob to take care of data caching. The analyzer itself can run in the foreground or as a system service; the developers have kindly included start/stop scripts to match. The configuration is handled in the sendmailanalyzer.conf file, although command-line parameters are also possible. The most important setting is right at the top of the configuration file:

LOG_FILE      /var/log/mail.log

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