ICANN opens up Pandora's Box of new TLDs

Jim Shankland nanog at shankland.org
Sat Jun 28 12:27:15 CDT 2008


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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