You say "mail," but you mention "Exchange" and "Zimbra." If you're just
looking for mail, I'd recommend Postfix as your MTA, and Dovecot or
Cyrus as your IMAP, with a Roundcube web-based front end (and fat
clients available for thems that want 'em -- though Roundcube is really
pretty awesome:
Hey, all. I've got a primary -- my actual destination/IMAP server -- and, for
various reasons, a secondary SMTP server. My primary only rejects mail to
invalid recipients (spam is dealt with internally). I'd like my secondary to
reject invalid recipients, also. I can bring over /etc/aliases and
Hi, all. My company has a web server hosted by an external provider. It
sends out e-mail (e.g., in response to web forms), and, occasionally, it
gets bounced and/or eaten up by spam filters. What I'd like to do is
relay mail from the web server through our corporate server, but make it
look as i
