Mail Server

[David Mandala]

The "Sender Must Resolve" message is an anti-spam tactic. If DNS is slow
for some reason your mail can get rejected even if your "Sender" will
resolve but did not fast enough for any reason.


On Mon, 2002-11-25 at 10:48, Eric Katherman wrote:
> Can somebody explain why some mail servers will kick a message back with
> the "Sender Must Resolve" error but other servers (which I know for sure
> in the past have done the same thing) accept the message.  The server
> that is listed as the origin is in both of my dns servers.  Just
> wondering if somebody has had this problem before.
> 
> Thanks
> 
> 
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David IS Mandala
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