- 550 error for ipv6/PTR ?

John Levine johnl at
Thu Jan 16 05:34:17 UTC 2014

>It occurs to me, you may have sent a bounce, where the envelope from is empty, therefore SPF would work on the domain in the helo/ehlo. People often
>forget to put a SPF record there... So there may be no SPF in fact...

Nope.  In this case, Google was just messed up.


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