It appears that Grant Taylor via mailop <gtay...@tnetconsulting.net> said: >-=-=-=-=-=- >-=-=-=-=-=- > >On 6/15/22 6:19 PM, Ángel via mailop wrote: >> There is a fallback of connecting to the A record on port 25 if there >> is no MX. > >When was the last time that anyone has seen the fall back to A record work?
Today. It works in Postfix and Exim, probably in every other widely used MTA. I'm not saying it's a wonderful idea, but any MTA that doesn't do an A/AAAA lookup if the MX fails is pretty broken. R's, John _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
