SMTP AUTH, Sendmail client to Postfix server

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http://www.linuxquestions.org – I'm hoping someone here can help, as I've been beating my head on the wall for a week now with little advancement. I've found a number of tutorials on setting this up, however none of them have gotten me 100% of the way there. Here's my situation: home-based Fedora server (Core 8), running sendmail 8.14.2-1. Connecting to hosting company's smtp server over port 587, to bypass Verizon's blocking of port 25. My /etc/mail/sendmail.mc file looks like this (comment lines removed): Quote: divert(-1)dnl define(`SMART_HOST', `smtp2.datarealm.com')dnl define(`confAUTH_MECHANIS (HowTos)