> On Jun 10, 2018, at 10:18 AM, Grant Taylor via mailop <mailop@mailop.org> > wrote: > > On 06/09/2018 09:32 AM, Andrew C Aitchison wrote: >> If a domain has no MX record, do all servers deliver to an AAAA record, as >> required by (at least) RFC3974, or do some email systems ignore domains with >> no MX and no A record ? > > My personal stance has been "Don't be surprised if the lack of an MX fails > when you want it to work." and "Don't be surprised if you do receive email to > servers without an MX." > > Isn't ambiguity fun. > > I've seen people put MX records in for every single host in their network > referring back to a central email infrastructure that knew how to properly > handle email for said systems. > > I've also started seeing a few Null MX records. > > example.net IN MX 0 .
Nice. It's been listed in a few best practice documents as well as RFC 7505 for more than a few years. Good to see it getting some traction. Cheers, Steve _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
