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haraka / Haraka

A fast, highly extensible, and event driven SMTP server
https://haraka.github.io
MIT License
5.11k stars 660 forks source link

Spamhause warning #3317

Closed ravivgolov closed 7 months ago

ravivgolov commented 7 months ago

Hi

How I fix this issue: 

[WARN] [-] [dnsbl] zone 'zen.spamhaus.org' did not respond to test point (null)
[WARN] [-] [dnsbl] disabling zone 'zen.spamhaus.org'

And I have another question: I want to configure the spam filter as effectively as possible. Could you please instruct me on the best configuration for filtering spam?

How I configure to rate limit maximum 300 per hour per sender?

So far I configured: rspamd(Should i use SpamAssassin instead? or both?) bounce with the following settings:

[check]
reject_all=false
single_recipient=true
empty_return_path=true
bad_rcpt=true
bounce_spf=true
non_local_msgid=true

[reject]
single_recipient=true
empty_return_path=true
bounce_spf=false
non_local_msgid=false

spf plugin to check and reject outgoing spf if not present in the DNS of the domain

Hope to get advice from experience users, I want to keep the IP reputation as much as possible good. Thanks.

msimerson commented 7 months ago

How I fix this issue:

By assuring your server has reliable DNS.