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Richard Gilbert writes:
> What happened to the MISSING_FROM rule, which evidently used to exist?
> It doesn't appear in either 2.63 or 2.64. According to RFC2822 a From: is
> required. All my searches for a rule of this name related to older
> versions of SA. I would add my own rule in the style of MISSING_DATE but I
> am concerned that there is a good reason for its absence.
It may be required by RFC2822, but
- (a) too many legit senders omitted it (!!!)
- (b) spammers stopped making such a basic mistake.
result was that it no longer helped detect spam in any way.
SpamAssassin isn't an "RFC-2822 validity filter", it's a filter
that detects spam ;)
- --j.
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