I may be on to something...examining the raw message in gmail shows the
following;
Received-SPF: fail (
google.com: domain of wiggly(a)wiggly.org does not
designate 2001:ba8:1f1:f03f:216:4eff:fe05:ae0f as permitted sender)
client-ip=2001:ba8:1f1:f03f:216:4eff:fe05:ae0f;
Authentication-Results:
mx.google.com;
spf=hardfail (
google.com: domain of wiggly(a)wiggly.org does not
designate 2001:ba8:1f1:f03f:216:4eff:fe05:ae0f as permitted sender)
smtp.mail=wiggly(a)wiggly.org
I have ignored the whole IPv6 issue until now and I'm not sure what my
options are. I'm about to go do some research but I guess it is one of;
a) stop responding to IPv6
b) fix DNS and PTR records to have correct IPv6 address
*wanders off to read gandi DNS docs*
n
On 30/07/13 21:13, Robert Gauld wrote:
In my (albeit limited) experience of running a mail
server this is
something that is seen as a big issue (possibly just for newer domains)
- having had a similar issue it was resolved almost immediately by
fixing the PTR records - doing a reverse lookup on your mail server's
address should match how it identifies itself (If it claims to be
mail.a.com <http://mail.a.com> when connecting then the PTR for its IP
address should be
mail.a.com <http://mail.a.com>).
On 30 July 2013 21:05, Nigel Rantor <wiggly(a)wiggly.org
<mailto:wiggly@wiggly.org>> wrote:
Further to on-list discussions another sysadmin friend of mine
suggested that the fact that the A record for my MX doesn't match
the PTR record might be an issue but I feel it is a red herring.
I'm pretty sure multiple PTR records is not allowed (or at least
discouraged) anyway, which means I would need to start using the
real name of my machine for the MX record instead of the one I am using.
This isn't that much of a problem really, just means I don't have a
nice 'mail.*' MX entry.
Thoughts?
n
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