Re: AUTH vs. AUTH=

[John Peacock]

Charlie Brady wrote:
If found no explanation for this "extension" of the protocol.

RFC-2554 discusses AUTH=<address> as a _parameter_ of the MAIL FROM 
command, and apparently Postfix (among others) added that to the list of 
AUTH values because some ESMTP clients broke otherwise.  See

        http://www.fehcom.de/qmail/smtpauth.html

for some commentary...

John