mutt
Mail Program
A very powerful mail user agent. It supports (among other nice things) highlighting, threading, and PGP. It takes some time to get used to, however.
There is no official package available for openSUSE Leap 16.0Distributioner
openSUSE Tumbleweed
openSUSE Leap 16.0
openSUSE Leap 15.6
SLFO Main
openSUSE Backports for SLE 15 SP7
SUSE SLE-11 SP 4
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.