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Subject: Re: relaying without opening the server for everybody ?
From: Wietse Venema (wietseporcupine.org)
Date: Tue Aug 08 2000 - 09:17:46 CDT

Ronald F. Guilmette:
> >Use POP-BEFORE-SMTP. See
> >http://www.stahl.bau.tu-bs.de/~hildeb/postfix/drac.shtml
>
> John Levine, one of the original instigators of POP-b4-SMTP, told me that
> POP-b4-SMTP is now passe, and that people should start adopting and using
> authenticated SMTP (RFC 2554) instead of the POP-b4-SMTP stuff (which was
> kind of a kludge, even if a very useful one).

If I were king I'd recommend pop before smtp. RFC 2554 adds a lot of of
complexity to what is otherwise a relatively simple SMTP client or server.
Every line of code is a potential bug, even when you're careful like me.

        Wietse