Virtual package mailx is provided by:
Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture +++-==========-=====================-==================================== ii bsd-mailx 8.1.2-0.20220412cvs-1 amd64 simple mail user agent un mailutils <none> <none> (no description available) 2 packages