I posted a bug, you can discuss here and I guess vote or discuss on bugzilla:

Way too many people are using .lan (local area network) as their internal, local lan.

I agree if FIRST untrusted does a 'helo *.lan' you should score it high, but if they have an internal server that does a helo *.lan to their external (bastian or smart host) and it uses a valid FQDN, you should not score it so high.

header HELO_LH_HOME X-Spam-Relays-Untrusted =~ /^[^\]]+ helo=\S+\.(?:home|lan) /i

3.714 points is pretty high.

score HELO_LH_HOME 2.602 3.169 2.689 3.714

in this case client used the 'default' FQDN on their exchange server (yes, stupid, not RFC compliant) they have a real FQDN that matches their ip, but for some reason, microsoft does not make it abundantly clear how important the FQDN setting in exchange is.

Score a little lower, or maybe score *.lan and *.home a little different
split it into two rules.


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Michael Scheidell, CTO
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