Earlier quoted context omitted.
"The guy is absolutely right. Mutt is not a gimmick like ascii video on terminal." I personally use (al)pine and I could not agree more. But here is a different, and I hope very provocative, reason that you should consider a terminal email client: Local mail delivery does not traverse the Internet, or any network. So, for instance, when I send an email to one of my engineers at rsync.net, even though it is sent in pl…
Is Alpine still getting security updates? UW doesn't maintain it anymore, like at all. It exists as git repo out in the ether [1] I'd probably run it in a non-privileged container. Infact, I should be doing that for Mutt ... [1] http://repo.or.cz/alpine.git
Does mutt talk to the network or have a daemon or run as a service ? I don't know the answer to that but I know that for my own use-case, pine is basically a text editor. It executes no programs or code and does not talk to anything but the local SMTP daemon.
How much sanity checking and bounds checking does sendmail (or postfix or whatever) do on email ? That's the question, I think, because again, in my case, the threat vector is very limited - basically an arbitrary (weird) email or piece of an email that somehow breaks pine.
So no, I don't run it in a container - in fact, I run it as the user whose mail spool is the highest sensitivity asset that user owns ... so a container wouldn't help. If you get the mail spool, you get everything - at least or that user...