Re: "Domain of sender address does not resolve" in mail logs

[Celejar <celejar@gmail.com>]

On Wed, 18 Mar 2009 11:07:47 -0500
"Boyd Stephen Smith Jr." <bss@iguanasuicide.net> wrote:

> In <[🔎] 49C0B85A.6020702@smiffytech.com>, Matthew Smith wrote:
> >Quoth Bob Cox at 2009-03-18 18:39...
> >> The question is whether you should be rejecting email from any user
> >> @act.gov.au just because act.gov.au does not resolve.
> >Tempting though it is, rejecting mail on the basis of RFC-non compliance
> >  is NOT a good move.
> 
> <div class="militant">
> BS.  Grow a spine, stand up for the standards, and kick non-compliant mail 
> to the curb.  If enough people do it, others will follow.
> </div>

But don't forget Postel's Robustness Principle:

TCP implementations will follow a general principle of robustness: be
conservative in what you do, be liberal in what you accept from
others."

-- Jon Postel, RFC793 (the TCP standard!)

Celejar
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