Internetworked Electronic Mail
 S D F - 1   Public Access UNIX System
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elm       A nice, configurable mail reading/sending program
mm        TOPS-20 Mail Manager
mutt      based on ELM, but much smaller.
pine      A nice, configurable mail reading/sending program
mailx     Line based mail reader
bboard    SDF Public bulletin board
vacation  While your away, mail can respond for you
nospam    A simple mail filter that keeps spam away
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