[Operators] Gmail federation

zhong ming wu mr.z.m.wu at gmail.com
Thu Mar 8 13:57:41 UTC 2012


While you are here, could you please confirm or deny that s2s to gmail
domain does not allow tls.  Last time I investigated this topic the answer
was no tls


Mr Wu
On Mar 7, 2012 8:58 AM, "Björn Kempén" <buffi at google.com> wrote:

> I'm posting an update to this email thread since I was asked to keep
> other XMPP operators posted with any updates on the investigations.
> I've been in contact with several owners of federated networks, and
> performed debugging sessions which hasn't really lead to anything
> conclusive.
> None of the cases that I've gone through seems to have been related to
> the intermittent problem reported here though, and I'm still open to
> debugging these issues further.
> The people I've been in contact with have either had configuration
> issues on one or more of their domains, or experienced problems with
> connecting to us in the past but not currently.
> Basically, if you have noticed a regression in your services since a
> few months ago where you are no longer able to setup a connection to
> us, feel free to contact me and I'll look into it.
> We'd like to find any regressions in our server-to-server code to
> provide a better experience for other federated XMPP networks.
> You can also email us at xmpp at google.com , which is an email alias for
> several Google engineers working on our XMPP infastructure.
> - Björn, Google
> On Thu, Feb 23, 2012 at 3:50 PM, Juan Pablo Carlino <jpcarlino at gmail.com>
> wrote:
> > Hello,
> >
> > during the last three months i've experienced an intermittent problem to
> > federate with google.com. Actually this is a common problem if you
> browse
> > the web in search for this issue -there are several old threads reporting
> > the same, until some magic happens on Google side and everything goes
> back
> > to the expected behaviour-. But this time, the strange thing is that
> some of
> > the virtual hosts i manage on my ejabberd 2.1 server can federate fine,
> > while others don't. Moreover, these domains with problems later can do
> s2s
> > fine with Google, without any change on my side.
> > The symptom is always the same: during s2s handshake the outgoing
> connection
> > from my server closes by timeout waiting for a reply from Google on the
> > wait_for_validation state. But i don't see why some domains remain
> > unaffected while others don't.
> > If anybody is experiencing the same issue i would be glad to know about
> it.
> >
> > Regards,
> >
> > Juan Pablo
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