Re: [exim] cant send to gmail after adding ipv6 address.

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Author: Heiko Schlittermann
Date:  
To: exim-users
Subject: Re: [exim] cant send to gmail after adding ipv6 address.
Ritah Mulinde via Exim-users <exim-users@???> (Do 29 Jun 2017 11:34:37 CEST):
>
> *R=dnslookup T=remote_smtp H=gmail-smtp-in.l.google.com
> <http://gmail-smtp-in.l.google.com> [2a00:1450:400c:c07::1a]
> X=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=yes: SMTP error from remote
> mail server after end of data: 550-5.7.1
> [2001:43b8:0:1a:b09a:c533:6a97:be12] Our system has detected that
> this\n550-5.7.1 message does not meet IPv6 sending guidelines regarding PTR
> records\n550-5.7.1 and authentication. Please review\n550-5.7.1
> https://support.google.com/mail/?p=IPv6AuthError
> <https://support.google.com/mail/?p=IPv6AuthError> for more
> information\n550 5.7.1 . w67si7463719wma.127 - gsmtp"*
>
> Since my ISP has not yet deployed ipv6 fully, i can not provide an ipv6
> address with AAAA and PTR records set correctly
>
> I have removed the address i added for experimental purposes, but issue
> still persists.


So the ipv6 address isn't configured on your box anymore, but Exim keeps
using it? Should not happen. Did you try to restart Exim? Can you
observe outgoing ipv6 traffic (using tcpdump, e.g.)?

    Best regards from Dresden/Germany
    Viele Grüße aus Dresden
    Heiko Schlittermann
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