It appears that Grant Taylor via mailop <gtay...@tnetconsulting.net> said: >On 7/11/23 4:26 AM, Jaroslaw Rafa via mailop wrote: >> TECHNICALLY, any email (there is no technical difference if it is B2B >> or not) requires only a machine that has an A record and a running >> MTA. > >I'll wager a lunch that A records aren't even required. Maybe not any >name resolution at all. Things like /etc/hosts and NIS(+) for >resolution aside.
If your From: domain has neither an A nor an MX, I don't think you're going to get much mail of any sort delivered. R's, John _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
