dns configuration for natted mailserver

Furnish, Trever G TGFurnish at HERFF-JONES.COM
Tue Dec 23 22:41:27 GMT 2003

> From: Harondel J. Sibble [mailto:mailscanner at pdscc.com]
> Sent: Monday, December 22, 2003 2:59 PM
> Subject: dns configuration for natted mailserver
> The only problem I see with this is that mail sent from the
> hidden mail
> server will fall afoul of antispam filtering at other sites
> since there will
> be no external dns entries for the hidden server itself and a
> rdns check will
> fail.

You should have rdns entries for your firewall, since that's where the smtp
connections to destination mail servers will really be coming from.


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