Ну ставьте, если нравиться :
$ apt-cache search Exim
ccze - A fast and robust log colorizer
exim - Exim MTA
exim-common - Exim MTA
exim-heavy - Main exim MTA program, compiled with basic libraries + perl + pgsql + MySQL
exim-ldap - Main exim MTA program, compiled with basic libraries + perl + ldap
exim-light - Main exim MTA program, compiled with basic libraries
exim-monitor - Exim - Exceptional Internet Mailer - X mail monitor
exim-mysql - Main exim MTA program, compiled with basic libraries + perl + mysql
exim-pgsql - Main exim MTA program, compiled with basic libraries + perl + pgsql
exim-utils - Misc utils for debugging exim
libesmtp - LibESMTP is a library to manage posting email using SMTP
libpfq - pfqueue library
pfqueue - Queue Scanner and Frontend for Postfix and Exim
python-module-OpenGLContext - Demonstration and testing contexts for PyOpenGL
spamassassin - Spam filter for email written in perl
amavisd-new - A Mail Virus Scanner
amavisd-new-smtpd - Virtual package for amavisd-new with MTA.
exim-control - Exim Mail Transport Agent facility control
greylistd - Greylisting daemon for use with Exim
perl-Mail-Box - E-mail handling
postgrey - Greylisting Policy Server for Postfix and Exim