I had been doing quite a lot of sys administration lately, for fun and professionally. I like adhering to standards and keeping things in respective directories.

The document that describes filesystem hierarchy standard, is quite big. Yes, I had to read it to put my OCD at ease. But here is the cheat sheet for you!

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Not all of us do mail server configuration everyday, so it is easy to get lost on unfamiliar grounds.

Fortunately, there is fantastic (up to date / unofficial) postfix documentation, it is the best I’ve seen on the net, this guide explains how to get following oiled and running:

Ubuntu + Postfix + Courier IMAP + MySQL + Amavisd-new + SpamAssassin + ClamAV + SASL + TLS + Roundcube + Postgrey. (Besides roundcube I think everything is essential).

I followed this guide to the word, but got myself into trouble on several occasions. Internet research didn’t yield any results, so I had to solve problems myself.

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