Chris Buechler wrote:
On Sat, Jun 13, 2009 at 3:07 PM, JJB<[email protected]> wrote:
Hello,
pfsense 1.22
we have a mail server:
mail.domain.com
We have two wan links
WAN_ATT (T1) and WAN (covad DSL)
reverse DNS is configured for the ATT link for mail.domain.com and for the
covad link as mail01.domain.com
is there some way to enable the mail server to open smtp connections over
either link as mail.domain.com without failing reverse and or forward
lookups? (some more strict email servers do both now).
Reverse DNS can be the same on both. For forward lookups that's not
possible, and there isn't any way for your mail server to know which
pipe it's going out to be able to change its hostname. Very few
servers check that forward and reverse matches, most just check for
existence of PTR or that PTR matches EHLO.
I'd keep it on one WAN, but have PTR on the second so you can fail
over. That'll suffice for nearly all mail servers.
Also, is there a way to force the server to always use either the ATT or
Covad link to send mail?
Yes, setup your rules on the interface with the mail server accordingly.
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Can you provide a few more details - would this be outbound NAT rules or ?
thanks,
Joel
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