http://www.simpaticus.com/linux/sendmail-smtp-auth-howto.html
That might be a place for me to start....
Thanks, Yves
Yves,
You're getting the appropriate response from sendmail. You do not want to have your email server be an open relay (allowing folks from outside your server sending email to others outside of your system) because then the spam folks will take over your email server.
If you are away from the system, the solution to this problem is usually one of two things: 1) Log in via ssh and use a text email client such as pine or mutt 2) set up smtp-auth and use a client that supports this protocol.
smtp-auth will allow your outside client to prove that it has the authority to relay mail, if set up correctly.
Rodolfo and I are collaborating on a step-by-step HOWTO on getting a fully functioning, fully secure email server set up. I imagine that it'll take us a few weeks before we have anything remotely releasable, so if you can't wait, I'd start googling for smtp-auth and see what you can come up with.
Sorry, and I hope that helps,
Ben
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