On Thu, Aug 23, 2007 at 01:07:25PM +0200, Marcin Krol wrote: > Dave Evans pisze: > > This is fine, but ONLY if you send the message to the correct person, which > > is > > usually NOT <$sender_address>. Alas in most environments you won't know who > > to send it to! > > > > Do NOT automatically send messages to <$sender_address>! > Well of course that would generate mostly backscatter (or "collateral > spam" if that's the correct term for this trick used by spammers). I > meant SMTP time which should be safe regarding no backscatter.
Err, but earlier you said: > So I need to blackhole the message myself (do accept, not deny) and > generate another message myself and send it during SMTP time with 5xx code. Oh, now I see the confusion. You've said both that you want to accept the message, and also that you want to reply at SMTP time with a 5xx code - which are of course mutually exclusive goals. Well as long as you don't generate backscatter I'm sure whatever you pick will be fine :-) -- Dave Evans Power Internet Limited, registered in England #03053650 at Norfolk House, 82 Saxon Gate West, Central Milton Keynes, Buckinghamshire, MK9 2DL. For more information, see http://www.powernet.co.uk/~davide/about-powernet
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