On Fri, Jul 09, 2010 at 06:09:26PM +0200, St?phane MERLE wrote: > Hi, > > I would have 2 questions : > - 1 what is the procedure for postfix when it try to send email to a > domain with no MX record ? > like : dig mx elv.enic.fr
Per 20+ year old SMTP standards it sends to the A record. MX records are optional, and anyone who wants to debate this here (again) will find themselves no longer on this list... No follow-ups please. > - 2 would that be an offense to refuse to send to domain with no MX > record ? (I don't know if there's a lot of them) It is wrong to require MX records. -- Viktor.