begin Thursday 29 January 2004 16:49, tv+spf(_at_)duh(_dot_)org quote:
But the viruses forge senders, so your outbound MX would (in an ideal SPF
world) be barred from relaying the spew outbound unless the forged sender
was in your own domain.
You're right, SPF would have prevented this.
However, in this particular school, we only publish an SPF record, we
do not implement any checking yet.
But problems might occur anyways once viruses get smart enough to use
SASL authentication, which is currently whitelisted in sendmail-milter.
Regards,
Alain
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