Add support for maildir (~/.maildir) style mail spools
Name Category Description
dovecot net-mail An IMAP and POP3 server written with security primarily in mind
exim mail-mta A highly configurable, drop-in replacement for sendmail
popa3d net-mail A security oriented POP3 server
tpop3d net-mail An extensible POP3 server with vmail-sql/MySQL support
zsh app-shells UNIX Shell similar to the Korn shell

Thank you!