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Date: Mon, 28 Apr 1997 09:04:08 +1000 (EST)
From: "Daniel O'Callaghan" <danny@panda.hilink.com.au>
To: Michael Dillon <michael@memra.com>
cc: freebsd-isp@FreeBSD.org
Subject: Re: SMTP gateway clients
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On Sun, 27 Apr 1997, Michael Dillon wrote:

> On Sun, 27 Apr 1997, Jamie Rishaw wrote:
> 
> > Or, you could have some script run (dont know what term server you are using)
> > when they log in that will trigger a sendmail -q ..
> 
> It's called ETRN. 
> telnet to port 25 and enter the command 
> 
> ETRN domain.name
> QUIT

but it only works with a fixed IP address for the relay.  The original 
question was how to use dynamic IP address for the relay.

Danny