May be, it's because you use self signed certificate for STARTTLS. I see no any reason for MSN/Hotmail to check certificate for STARTTLS though, and anyway it should fallback to unencrypted connection, unless you published DANE (RFC 7672).
Dave Brockman пишет: > I'm assisting a client who is having issues receiving from msn/hotmail > accounts. The entire rest of the planet can send email to this domain > without issue, and email *to* MSN/Hotmail is delivered without issue. I > am unable to correlate connection attempts with emails sent from hotmail > web interface. To date, I have yet to receive an actual (final) NDR > with any helpful information (But it appears I didn't get the first > "Delay" NDR for ~12 hours). There is an encoded text attachment named > details.txt, I'm not sure what to do with that. Has anyone experienced > anything similar? The domain in question is wdef.com. Thank you in > advance for any assistance or thoughts. > > Regards, > > dtb > > Dave Brockman > Senior Network Engineer > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop -- Vladimir Dubrovin @Mail.Ru
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