Am 28.07.24 um 10:03 schrieb Ralph Seichter via Postfix-users:
Yes. The requirement has been specified as early as 1981 in RFC 822, and in its successors up to and including RFC 5322.
https://datatracker.ietf.org/doc/html/rfc5321#section-4.5.1 5321 btw... Andreas _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
