On Tue, 18 Apr 2006, listrcv wrote:

> Which RFC does specify that an MTA must have a static IP and DNS entries?

When the original RFCs were written *every* Internet host had a static 
IP. It was taken for granted. That was the way the Internet worked. But 
there was no DNS...

The newer RFCs don't mention this either (I suspect - I haven't read 
every RFC). However, in practice, you will find it very hard to run an 
MTA reliably without a static IP and reverse DNS. That's just the way it 
is.

-- 
Philip Hazel            University of Cambridge Computing Service
Get the Exim 4 book:    http://www.uit.co.uk/exim-book

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