As it turned out, it was a bad cable. It wasn't just Sendmail, anything sent to the server was slow - while anything received from the server ran at a reasonable speed.
Replaced the cable, works great now.
Sendmail takes a few seconds just to send a short email to myself. If I attach a 2 meg file, it takes almost 10 minutes.
When I receive the 2 meg email, it comes through in less than 10 seconds.
What could be causing sendmail to run so slow? I'm sure it's not a DNS issue because then every...
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