Hi,
a few weeks ago the GMX mail servers stopped sending mails to my server.
The GMX mailer daemon writes:
A message that you sent could not be delivered to one or more of
its recipients. This is a permanent error. The following address(es)
failed:
[email protected]:
remote MX does not support STARTTLS
Thing is that my mail server does support STARTTLS and also advertises
this which I verify in the Exim debug log and was also record with tshark:
20 212.227.15.19 → 94.16.119.13 SMTP 85 C: EHLO mout.gmx.net
21 94.16.119.13 → 212.227.15.19 SMTP 224 S:
250-mail.eyrich-net.org: Hello mout.gmx.net [212.227.15.19] | 250-SIZE
52428800 | 250-8BITMIME | 250-PIPELINING | 250-CHUNKING | 250-STARTTLS |
250-PRDR | 250 HELP
22 212.227.15.19 → 94.16.119.13 TCP 66 41705 → 25 [FIN, ACK] Seq=20
Ack=228 Win=64128 Len=0 TSval=3976249530 TSecr=307582370
23 94.16.119.13 → 212.227.15.19 SMTP 114 S: 421
mail.eyrich-net.org: lost input connection
Has something like that happened to you in the past or can you reproduce
it on my server?
BTW: Yes, mails from other systems arrive without problems. So that
looks like a general GMX error to me. But GMX is a quite large provider
here in Germany and the problem persists since begin of September
now—shouldn’t somebody have noticed that?
Since I also wasn't able to contact the GMX postmaster I’m asking you
for ideas.
Regards,
Christian
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