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 indicatingRemote 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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