23 lines
498 B
Plaintext
23 lines
498 B
Plaintext
# Fail2Ban filter to block relay attempts though a Courier smtp server
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#
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#
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[INCLUDES]
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# Read common prefixes. If any customizations available -- read them from
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# common.local
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before = common.conf
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[Definition]
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_daemon = courieresmtpd
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prefregex = ^%(__prefix_line)serror,relay=<HOST>,<F-CONTENT>.+</F-CONTENT>$
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failregex = ^[^:]*: 550 User (<.*> )?unknown\.?$
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^msg="535 Authentication failed\.",cmd:( AUTH \S+)?( [0-9a-zA-Z\+/=]+)?(?: \S+)$
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ignoreregex =
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# Author: Cyril Jaquier
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