>Len - just a pure guess, but perhaps AOL has a set of spam filters up
>and perhaps something in the IMail header is tripping it?

Your pure guess is as good as anybody's. :))

We've seen Imail logs in this list where AOL rejects mail after DNS 
validation failure with a nice, RFC 821 5xx message, because the 
@senderdomain was not in DNS.

They must do something else, but not MAPS, to detect and reject spam 
and I think they do it after the mail is accepted for delivery.

If they decide it's non-valid, maybe they don't burden their own 
systems with  bouncing, but just drop it.

All these mega-corps are run by lawyers so I doubt we'll ever find 
out thing about their mail rejection poicies since no employee is 
permitted to communicate anything that could actionable, and in the 
USA lawyer think, basically everything is actionable.

You could imagine if some important piece of mail was accepted by 
their gateway, that could be construed as "accepting responsiblity 
for delivery". Tthen if it was proven then didn't deliver, for a 
piece of mail that costs somebody a $1,000,000, etc, etc, etc.

What is their ToS / SLA for mail that is accepted by their gateways. 
Do they have responsibility or committment for any mail delivery?

Do they run and keep mail logs?

Len



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