[mailop] 21cn.com connection reset after transmitting end of DATA

Hi mailop, Is there a 21cn.com postmaster in the house? I've got an email stuck in queue because their server is resetting the connection after we've transmitted the DATA, leading our MTA to believe the message wasn't delivered. The full content is transmitted before the reset occurs.. maybe we

[mailop] 21cn.com connection reset before QUIT

Sorry if this ends up being a double-post.. I waited an hour before re-sending. Hi mailop, Is there a 21cn.com postmaster in the house? I've got an email stuck in queue because their server is resetting the connection after we've transmitted the DATA, leading our MTA to believe the message wasn'

[mailop] Paging Netease

al details off-list. Thanks, Dave Eyraud Email Delivery Manager for Assent Compliance ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

[mailop] Anyone from Mimecast here?

Hello, Are there any mimecast folks in the house? We're seeing an "open relay not allowed" deferral while other emails deliver just fine from the same systems. It's not really making sense to me. If we could chat off-list, it would be greatly appreciated. Thanks! Dave Assent Compliance Postmaste

[mailop] Orange.fr: your certificate is expired.

Connecting to smtp-in.orange.fr... ... Verify return code: 10 (certificate has expired) Also, it appears the highest level of TLS you support is TLS1 Cheers, d ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listi

Re: [mailop] DKIM+DMARC at t-online.de (Deutsche Telekom's ISP branche)

Hi Florian, I represent a platform that sends mail on behalf of our customers but we maintain a separate 5321.From that points back to us. We dual-sign messages using the client domain and our own domain, but these do not align. We rely on DKIM alignment to pass a DMARC test. Example: 5321.MailFr