I am trying to install Cyrus and Postfix to do three things.
1. Local IMAP 2. Remote/Roaming POP 3. Regular Mail transport.
I am using the Berkeley DB support within Cyrus to have simple plain-text authentication after TLS is started to encrypt the sending channel. This is simple and is great for my small user community.
I have a sales team which needs to be able to use a SMTP relay while "on the road". There is a " TLS <http://www.aet.TU-Cottbus.DE/personen/jaenicke/postfix_tls/> patch by Lutz Jaenicke." to Postfix which seems like it might be a good solution. The nice thing there is that by using CA user authentication, the *user* is identified before SMTP relays are allowed. However, the number of mail clients that can actually do this seem very limited (netscape, mozilla ?).
I would appreciate any recommendations or success stories which utilize Cyrus IMAP as the standalone mail server and also ways to allow SMTP relaying to *only* our valid, authenticated users.
...john
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