RE: [Exim] ACL Spam Rejection Tricks

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Autor: David Brodbeck
Datum:  
To: 'Exim Users'
Betreff: RE: [Exim] ACL Spam Rejection Tricks
> -----Original Message-----
> From: jonathan vanasco [mailto:jvanasco@mastersofbranding.com]


> I haven't done this yet -- but looking at my logs, if i could
> blacklist an IP for sending to 3+ dead addresses in a row,
> i'd cut down
> on 98% of my spam


I don't do that, but I do cause a 60 second penalty delay for every invalid
recipient. "Real" mailers don't seem to mind (the RFC specifies a longer
timeout for this) but dictionary spammers seem to give up after a couple of
iterations.