>@home does a lookup on the senders domain name, as does Yahoo.  The times
>we've seen it choke is when the lookup fails for one reason or another.

In our experience with IMGate, validation of the @senderdomain is an 
excellent anti-spam tactic.

It can result in 100's or 1000's of msgs not being allowed into the system.

Extremely welcome when a harvester or mailbomber uses a non-existent 
@senderdomain.

Len

http://BIND8NT.MEIway.com : Binary for ISC BIND 8.2.3 T9B for NT4 & W2K

http://IMGate.MEIway.com  : Build free, hi-perf, anti-spam mail gateways


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