nanog mailing list archives

Re: gmail.com - 550 error for ipv6/PTR ?

From: "John Levine" <johnl () iecc com>
Date: 16 Jan 2014 05:34:17 -0000

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.

R's,
John

Current thread:

Re: gmail.com - 550 error for ipv6/PTR ?, (continued)
- - - Re: gmail.com - 550 error for ipv6/PTR ? Blair Trosper (Jan 14)
  - Re: gmail.com - 550 error for ipv6/PTR ? Blair Trosper (Jan 14)
- Re: gmail.com - 550 error for ipv6/PTR ? Laurent GUERBY (Jan 14)
- Re: gmail.com - 550 error for ipv6/PTR ? Darren Pilgrim (Jan 15)
  - Re: gmail.com - 550 error for ipv6/PTR ? Franck Martin (Jan 15)
    - Re: gmail.com - 550 error for ipv6/PTR ? Darren Pilgrim (Jan 15)
    - Re: gmail.com - 550 error for ipv6/PTR ? Franck Martin (Jan 15)
    - Re: gmail.com - 550 error for ipv6/PTR ? Owen DeLong (Jan 15)
  - Re: gmail.com - 550 error for ipv6/PTR ? Jimmy Hess (Jan 15)
- Re: gmail.com - 550 error for ipv6/PTR ? Franck Martin (Jan 15)
  - Re: gmail.com - 550 error for ipv6/PTR ? John Levine (Jan 15)