>Is there a way of doing on-demand SMTP without an IP for the client
>machine? (Ie., the client is IP masqueraded, and uses a private
>network IP-ETRN requires an IP.)

Russ Nelson has some great hacks around serialmail.  One of the best
uses a dummy POP mailbox, and every time there's a successful login on
that POP mailbox, fires up serialmail to send all of the spooled mail
to the IP that's POP-ing.  It was about three lines of code.

If your client dials in using PPP to a Unix box, it's usually easy to
start serialmail from the PPP startup script, again to whatever IP
they're connected on, so the mail gets delivered each time they call

John R. Levine, IECC, POB 727, Trumansburg NY 14886 +1 607 387 6869
[EMAIL PROTECTED], Village Trustee and Sewer Commissioner, http://iecc.com/johnl, 
Member, Provisional board, Coalition Against Unsolicited Commercial E-mail

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