spam avoidance (was Re: cpu speed problem)

Tony Nelson tonynelson at
Mon Jul 30 20:13:04 UTC 2007

At 11:25 AM +0100 7/30/07, Andy Green wrote:
>    - insist on proper Helo FQDN (lot of spam tools and viruses don't
>take care of this)

Do you require the name to be real, or only in valid form?  That is, do you
do a DNS lookup on the name?
TonyN.:'                       <mailto:tonynelson at>
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