Wow.. so that's what it was.
Since yet another vulnerability was found in sendmail since this posting, I gave up and switched to postfix. It was an easy and painless transition, and it's really cut back on my headaches.
I've pretty much decided I hate sendmail, and if I ever drop postfix it...
I was running 8.12.5, I think. Whatever shipped with RedHat 8. Everything was shut down/restarted properly. I went through the install too many times... I must have been making some stupid mistake, but I still couldn't tell you what it was.
No, there were no errors beyond 'Connection refused...' when sending mail.
It's fixed now, but I couldn't tell you why. I reinstalled and updated the access table several times, but for some reason it started working after the last round.
If it aint broke....
One of the web servers (RedHat 8.0) I'm responsible hosts a PHP app that uses sendmail to send email notifications to sales and administration.
In response to last Monday's CERT article (http://www.kb.cert.org/vuls/id/398025), I grabbed the new sendmail RPMs from the RHN and upgraded over the...
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