Best IMAP mail server

[Dave Smith]

I've been using Dovecot for a couple years, and I love it. Never had a 
problem, SSL was a breeze. Debian did most of the work for me.

--Dave

Stephen Smith wrote:
> We are planning to replace our current mail server which is sendmail 
> configured for SMTP only.  We would like to move to an IMAP server 
> with more security.  The RH distribution has dovecot as a secure IMAP 
> server, but I have heard little about it.
> What would be your recommendations for quickly moving our existing 
> server and accounts to a new platform.
> Which IMAP server would you use?
> Which is the easiest to manage?
> What benefits are there for your particular recommendation that set it 
> appart from the others?
>
> All input will be appreciated.
>
> Steve.