mailx: mailx, a command-line Mail User Agent derived from Berkeley Mail mailx: which is intended to provide the functionality of the POSIX mailx command with mailx: additional support for MIME messages, IMAP (including caching), POP3, SMTP, mailx: S/MIME, message threading/sorting, scoring, and filtering. Heirloom mailx is mailx: especially useful for writing scripts and batch processing. mailx: mailx: http://downloads.sourceforge.net/heirloom/mailx-12.2.tar.bz2 mailx: mailx: