Today Harry Tabak wrote: > Mail sent from my main server, gatehouse.quadtelecom.com (66.45.116.138) > gets rejected. > _450_Client_host_rejected:_cannot_find_your_hostname,_[66.45.116.138]
If 450 is some error code, then it's only a _temporary_ error/failure
(RFC 1893). Maybe the DNS servers using the old (cached) data.
-andrew
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