On Tue, Feb 28, 2023, Andrew C Aitchison via mailop wrote: > Is there an SMTP equivalent of the HTTP 30x status codes ?
Maybe this: RFC 5321: 551 User not local; please try <forward-path> (See Section 3.4) -- Please don't Cc: me, use only the list for replies. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop