Autor: linux Data: A: exim-users Assumpte: Re: [Exim] New multi-user exim4 config
Alan J Flavell wrote: >
> However, their server names *do* all _end_ with hotmail.com, and there
> are plenty of spammers who present 'hotmail.com' as their HELO domain,
> so it may well be worth a substring test.
>
helo hotmail.com if rDNS of the connecting IP is in the hotmail.com domain.
Ditto for yahoo.com, criticalpath.net (cp.net), outblaze.com