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

From: mouss (mlist.onlyfree.fr)
Date: Thu Sep 27 2007 - 09:17:35 CDT


Milosz SZOT wrote:
> Hi, as asked, i provide you the details :
>
> I’ve replaced my contacts domain by « mycontact.com » and his IP by «
> a.b.c.d », it’s a well-known company in France, as well as mine =)

lesquelles ?-)

>
> Reminder : Exchange’s internal IP is 192.168.0.5 and external IP is w.x.y.z
>

try adding the IPs of the relay servers explicitely (ip4:w.x.y.z) and
see if this helps. it is possible that the recipient domain has dns
lookup issues, or has a broken spf config.