Stefano Bagnara via mailop skrev den 2024-02-29 11:09:
I think I wrote here too early: from further investigation seems like the issue has gone and now those emails are not refused anymore.
https://totaluptime.com/kb/cname-and-mx-for-the-same-host-name/ dont use cname for email or even mxand lastly cname breaks dnssec, dont do this, is tlsa not something you care about ?
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