Am 17.10.2015 um 19:59 schrieb Benny Pedersen:
Matus UHLAR - fantomas skrev den 2015-10-17 19:11:no forward host has been mentioned. Backup MX servers were, they are not forward hosts. And they should not change envelope sender...but forward host should change envelope sender, just not backup mx, but since both is known in spf record it gets handled fine imho
the backup MX is *not* known as sending server for SPF which was the whole topic and hence SA needs to know that this IP is a trusted-forwarder to make the SPF check for the corerct Received header
frankly that was the whole topic and nothing else
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