Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!ucsd!ucbvax!SH.CS.NET!jcurran
From: jcurran@SH.CS.NET
Newsgroups: comp.protocols.tcp-ip
Subject: Re: Cost of Internet access
Message-ID: <9011101731.AA20352@ucbvax.Berkeley.EDU>
Date: 10 Nov 90 16:17:49 GMT
References: <WA_6L.@xds13.ferranti.com>
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Organization: The Internet
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Regarding dialup IP services, Peter da Silva writes:
> Um, won't this cause problems with SMTP? What does SMTP do when the
> destination is only available for brief periods, or should you handle
> your mail via an MX?

As long your implementation automatically brings up the circuit when there
is a packet queued (at either end), the application layer can not distinguish
dialup IP services from dedicated.  SMTP simply gets a long delay on the 
initial connection.

/John