Re: Developer mailing list delivery issue

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On 24.10.24 02:06, Mabry Tyson wrote:
I [...] sent mail to openssh@xxxxxxxxxxx but the mail was not delivered.
24 hours after I sent email to that address, I got a DSN indicating

Remote server returned '550 5.4.300 Message expired -> 451 Temporary failure, please try again later.'

... yeaaahhh whatever it takes to convince the MX that it's *not* talking to a spammer, I haven't got it, either ...

$ host -t mx openssh.com
openssh.com mail is handled by 5 mail.openbsd.org.

$ openssl s_client -connect mail.openbsd.org:25 -starttls smtp -servername mail.openbsd.org -quiet
Connecting to 199.185.178.25
[...]
250 STARTTLS
EHLO bern.binect.de
250 Hello, spam sender. Pleased to be wasting your time.
MAIL FROM:<jochen.bern@xxxxxxxxx>
250 You are about to try to deliver spam. Your time will be spent, for nothing.
rCPT TO:<openssh@xxxxxxxxxxx>
250 This is hurting you more than it is hurting me.
DATA
451 Temporary failure, please try again later.
[connection closed by the server side]

Kind regards,
--
Jochen Bern
Systemingenieur

Binect GmbH

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