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Ron McKeating wrote:
> Now it seems that btinternet are doing spam filtering at the smtp
> transaction and if it identifies a spam it breaks the connection with a
> defer. Is this normal? we are thinking of setting up exiscan to do this
> to emails with big spam scores but we were planning to do a deny, eg a
> 550 permanent error. The way bt are doing it, the email sits in our
> queue for 8 days and we constantly re-attempt to deliver it.
Actually, this is normal in that sa-exim is shipped with defaults which,
if memory serves, allows spam scored 5-8, defers 8-15 and rejects over 15. So
if someone just turns on the default settings they're going to defer quite a
bit of spam.
Personally I can see a case made since the Bayesian classifier's score
can swing a message's score 8 points. +3 to -5 with network checks on. With
network checks off that swing might be greater. I personally don't subscribe
to that theory and have my install of sa-exim set to either pass it as marked
(5-8) or reject.
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Steve C. Lamb | I'm your priest, I'm your shrink, I'm your
PGP Key: 8B6E99C5 | main connection to the switchboard of souls.
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