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Hagforce 3rd February 2010 12:41

Postfix limits and rbl

I need some configuration tips for Postfix.
What I`m locking for is a moderate configuration, witch just filters out the worst.

The server has about 3000-4000 e-mail users.

Would you recommend using blacklist?
Witch rbl/dns sites should I add/are safe to use?

I have implemented some rate limits


smtpd_error_sleep_time = 1s
smtpd_soft_error_limit = 10
smtpd_hard_error_limit = 20

This should be ok?
It`s important that these rules don`t make trouble for clients.

I`m also thinking of implementing some of these limits



But I need some tips as what to configure here.
I do not want to make trouble for my clients, only give them a better service :)

falko 4th February 2010 15:42

Take a look at (also check out the comments below the tutorial as some of the blacklists don't work anymore).

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