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# Fail2Ban filter for exim the spam rejection messages
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# Fail2Ban filter for exim the spam rejection messages
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#
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#
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# Honeypot traps are very useful for fighting spam. You just activate an email
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# address on your domain that you do not intend to use at all, and that normal
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# people do not risk to try for contacting you. It may be something that
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# spammers often test. You can also hide the address on a web page to be picked
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# by spam spiders. Or simply parse your mail logs for an invalid address
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# already being frequently targeted by spammers. Enable the address and
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# redirect it to the blackhole. In Exim's alias file, you would add the
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# following line (assuming the address is honeypot@yourdomain.com):
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#
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# honeypot: :blackhole:
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#
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## For the SA: Action: silently tossed message... to be logged exim's SAdevnull option needs to be used.
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# For the SA: Action: silently tossed message... to be logged exim's SAdevnull option needs to be used.
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#
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# To this filter use the jail.local should contain in the right jail:
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#
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# filter = exim-spam[honeypot=honeypot@yourdomain.com]
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#
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[INCLUDES]
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[INCLUDES]
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# Read common prefixes. If any customizations available -- read them from
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# Read common prefixes. If any customizations available -- read them from
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# exim-common.local
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# exim-common.local
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[Definition]
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[Definition]
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failregex = ^%(pid)s \S+ F=(<>|\S+@\S+) %(host_info)srejected by local_scan\(\): .{0,256}$
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failregex = ^%(pid)s \S+ F=(<>|\S+@\S+) %(host_info)srejected by local_scan\(\): .{0,256}$
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^%(pid)s %(host_info)sF=(<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: .*dnsbl.*\s*$
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^%(pid)s %(host_info)sF=(<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: .*dnsbl.*\s*$
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^%(pid)s \S+ %(host_info)sF=(<>|[^@]+@\S+) rejected after DATA: This message contains a virus \(\S+\)\.\s*$
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^%(pid)s \S+ %(host_info)sF=(<>|[^@]+@\S+) rejected after DATA: This message contains a virus \(\S+\)\.\s*$
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^%(pid)s \S+ SA: Action: flagged as Spam but accepted: score=\d+\.\d+ required=\d+\.\d+ \(scanned in \d+/\d+ secs \| Message-Id: \S+\)\. From \S+ \(host=\S+ \[<HOST>\]\) for <honeypot>$
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^%(pid)s \S+ SA: Action: silently tossed message: score=\d+\.\d+ required=\d+\.\d+ trigger=\d+\.\d+ \(scanned in \d+/\d+ secs \| Message-Id: \S+\)\. From \S+ \(host=(\S+ )?\[<HOST>\]\) for \S+$
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^%(pid)s \S+ SA: Action: silently tossed message: score=\d+\.\d+ required=\d+\.\d+ trigger=\d+\.\d+ \(scanned in \d+/\d+ secs \| Message-Id: \S+\)\. From \S+ \(host=(\S+ )?\[<HOST>\]\) for \S+$
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ignoreregex =
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ignoreregex =
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[Init]
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# Option: honeypot
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# Notes.: honeypot is an email address that isn't published anywhere that a
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# legitimate email sender would send email too.
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# Values: email address
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honeypot = trap@example.com
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# DEV Notes:
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# DEV Notes:
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# The %(host_info) defination contains a <HOST> match
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# The %(host_info) defination contains a <HOST> match
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#
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#
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# Author: Cyril Jaquier
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# Author: Cyril Jaquier
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