nanog mailing list archives

Re: ICANN opens up Pandora's Box of new TLDs


From: Jim Shankland <nanog () shankland org>
Date: Sat, 28 Jun 2008 10:27:15 -0700

Phil Regnauld wrote:
        Requirement ?  What requirement ?  There's no requirement for
        reverse DNS for email in any RFC.

As a practical matter, I've found that sending out email from a
host without rDNS doesn't work:  too many sites bounce the mail.

It will not come as news to anyone on this list that the world
of SMTP is hardly well-defined or well-regulated in practice.
Like Rowlf the dog, we can't live with it, we can't live without
it, but we're stuck until something better comes along:

http://www.youtube.com/watch?v=1vvV9LjBsNw

Jim Shankland


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