Re: [exim] denying my IP in helo, easy retry for spammers?

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Συντάκτης: Wakko Warner
Ημερομηνία:  
Προς: exim-users
Υ/ο: Joe Kocsis
Αντικείμενο: Re: [exim] denying my IP in helo, easy retry for spammers?
Tony Finch wrote:
> On Tue, 30 Aug 2005, Joe Kocsis wrote:
> > If I want to stop spam messages that use my IP in the helo,
> > would I be better off blocking at the door via a helo acl? (or would
> > this just be an easy retry for them using another helo?)
> > Or by accepting the message and letting SA or a different exim acl do
> > the job, so that is done stealth to the spammer?
>
> They'll hammer away with randomised HELOs whetever you do.


I thought about recording the first seen HELO from an IP address to a
database. If that IP connects and uses a different HELO, it gets
blacklisted and thus useless. I have not tried it though.

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