#1  
Old 3rd February 2010, 11:41
Hagforce Hagforce is offline
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Default Postfix limits and rbl

Hello

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

Code:
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

Code:
smtpd_client_connection_count_limit
smtpd_client_connection_rate_limit
smtpd_client_message_rate_limit
smtpd_client_recipient_rate_limit
smtpd_client_new_tls_session_rate_limit
smtpd_client_event_limit_exceptions
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
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  #2  
Old 4th February 2010, 14:42
falko falko is offline
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Default

Take a look at http://www.howtoforge.com/block_spam..._level_postfix (also check out the comments below the tutorial as some of the blacklists don't work anymore).
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