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I agree with you entirely that hosting your own mail doesn't mean drowning in spam. After many years hosting my own mail, I find the most effective anti-spam me
by Mordak 13y ago
I agree with you entirely that hosting your own mail doesn't mean drowning in spam. After many years hosting my own mail, I find the most effective anti-spam measures are (in order):
1. RBL: zen.spamhaus.org. This kills 95% of incoming spam.
2. Greylisting. This catches the 4.99% of stuff that gets through zen.spamhaus.org
3. SpamAssassin: Everything else. The last time spam got this far appears to have been over a year ago.
The RBL is pretty trivial to set up in postfix, and there is an effective greylist implementation included by default nowadays. Between these two alone, I get less spam in my own mail than I do in gmail..
- Nux 13y agoI'd optimise that a bit: 1 - try not to use greylisting (it can be quite annoying some time when you are waiting for an important email) 2 - RBLs should be used from within SpamAssassin in such a way that it raises the spam score, not directly in the MTA. There are loads of "good" addresses listed in RBLs due to carelessness and/or incompetence of the operators.