[dns-wg] Re: Reverse DNS at the Host Level?
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Jim Reid
jim at rfc1035.com
Mon Aug 23 14:25:37 CEST 2004
>>>>> "Stephane" == Stephane Bortzmeyer <bortzmeyer at nic.fr> writes: >> For instance many mail servers won't accept SMTP sessions from >> hosts with no reverse DNS: it's usually a strong indication of >> a spam source. Stephane> Let me rewrite this properly: Stephane> For instance some mail servers won't accept SMTP Stephane> sessions from hosts with no reverse DNS (they often Stephane> believe it will limit the amount of spam received). Let me rewrite your rewrite properly: :-) For instance some mail servers won't accept SMTP sessions from hosts with no reverse DNS. This is a common anti-spam measure because a significant amount of spam is known to come from hosts that do not have reverse DNS entries.
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