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If you want to get a glimpse of what's grinding away in your postfix MTA's mail queue, this simple bash one liner will give you the top 15 domains that it's working with:
$ mailq | g...
If you have a very active postfix MTA, it can take a while for the number of requests that it is currently processing to scroll past the screen.
If you just want a quick answer of how many messages i...
You're not using Amavisd-new, so how can you use SpamAssassin with Postfix?
Use Courier-Maildrop to pass traffic between Postfix and SpamAssassin. After installing Courier-Maildrop, edit or...
You know that UBE checks at the SMTP level, while useful and efficient, are limited, and you want something smart enough to shoot down spam without requiring a lot of monitoring and tweaking. It needs...