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FOSS email clients on Linux?
(beehaw.org)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
Clarification:
I prefer neomutt with mbsync and notmuch. Mutt wizard can help you get setup. Pandoc is great for formatting, and any browser can be used to view html if lynx is not good enough.