Re: Fwd: [rt.ietf.org #24364] mail.ietf.org. is ietf.org., Remove MX Rec

> > > mail.ietf.org. is ietf.org., so you can remove your MX records for
> > >   ietf.org.  This should cut down on spam since a lot of spambots
> > >   will skip over domains whose MX list cannot be obtained.  Real
> > >   mailers will of course fall back to A/AAAA as per RFC 2821/5321.  A
> > >   few hosts will have trouble, but very, very few indeed, and that
> > >   isn't your (our?) fault.
I checked with some people who run mail for a lot of domains, and they
assure me that spambots will try to deliver to the A record even if
there is an MX.  Where did you get the idea that not having an MX
offers protection from spambots?

R's,
John
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