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Re: 2 postfix boxes as frontservers for MS Exchange, spf problems

From: Jorey Bump (listjoreybump.com)
Date: Tue Sep 25 2007 - 17:48:04 CDT


Milosz SZOT wrote, at 09/25/2007 02:59 PM:

> The obvious solution is to add the exchange server to the spf records,
> it will work fine on SPF enabled servers… but if i delete it from the MX
> records, i don’t know how many mail servers WITHOUT spf will refuse my
> mails because exchange.mydomain.com is not a MX

None. An MX record is used to designate a destination only, it has
nothing to do whatsoever with origin. Anyone who would reject mail that
doesn't originate from an MX is terribly misguided.