On 4/6/21 11:36 AM, Florian.Kunkel--- via mailop wrote: > As you might already have observed we are evaluating DKIM signatures > @t-online.de for a while now.> We are starting to expect aforementioned IP > infrastructure to have > all messages DKIM signed conforming DMARC, so header from and mail > from must be aligned.> unsigned messages, unaligned or messages failing > validation > otherwise, will be rejected while in SMTP session. How about senders using @t-online.de as from address?
Can the receiving side implement the same strict alignment rules for e-mails with an @t-online.de from address any time soon? Ciao, Michael. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop