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On 16/04/12 23:13, Reindl Harald wrote:
>> More importantly, with the -o myhostname=domain1.com they can
>> fully pass any hardfail SPF test
> this has nothing to do with the hostname
True from a fail/pass SPF inspection by the remote mailserver but
not from a support techie eyeball point of view.
> relay is smtp-daemon and "-o smtp_bind_address=" and SPF does not
> deal with "-o myhostname" because the only interesting fact here
> is that the used sending IP-ADDRESS matches SPF records
The myhostname setting changes the "Received: from" and helo= lines
below so that a visual inspection does not confuse the issue for
anyone who has to diagnose the headers.
Received: from domain1.com ([::ffff:220.127.116.11])
Received-SPF: pass (Address passes the Sender Policy Framework)