My corporate ISP just installed what the level-1 techs call a ``spam
filter'' for the SMTP mail server. As a result, this server refuses
to send mail out to anyone not already in its domain, unless my
mail transport software identifies me as a trusted user, presumably
with a userid and password.
Therefore my old friends, Dos smtp mail transport software like
Alfredo Cole's smtpop or fdsmtpop, no longer work. ``In the old
days'' the pop3 protocol authenticated by asking for a user name
and password, but the SMTP protocol did not. Consequently, older
smtp transport programs do not send protocol messages, for example,
that use the new ``auth' (authorization) command --.
I do not know too much about SMTP authentication, except that
there are several ways to do it (e.g., CRAM-MD3, PLAIN, LOGIN methods),
that some of them use MIME to encrypt your password, that some of them
use a new STMP command called `auth' or `auth=<identity>'. I have
not tried arachne's insight yet to see if it has SMTP authentication.
Can any one help me figure out if I can tweak my old SMTP programs to
provide some form of this authentication? I was hoping this might be
done with some varient of the traditional `HELO' command, or by
first logging in to the POP server, giving my identity, and then
switching to SMTP.
Any ideas? I hate to see my dos smtp days coming to an end.
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