[Dovecot] Using plaintext auth and SSL

Jeff Simmons jsimmons at goblin.punk.net
Tue Mar 20 01:37:05 EET 2012

On Monday, March 19, 2012 04:16:46 pm you wrote:
> On 3/19/2012 4:04 PM, Jeff Simmons wrote:
> > I'm working with a company that presently has a Linux mailserver which
> > all users have (no shell) accounts on. Mail is accessed via pop3 with
> > plaintext authentication. They want to move to a system using imap with
> > SSL. I'm building them a new server. I'd like to offer both for a while
> > so we can work the bugs out and migrate users over to SSL imap over
> > time. It appears that in order to limit the imap connections to SSL I
> > will need to run two separate instances of Dovecot. Is this correct?
> I only have SSL or TLS connections enabled and I only have one copy of
> Dovecot running.

Let me rephrase that. I want to run plaintext authentication pop3 and ssl/tls 
only authentication imap. The 'allow plaintext authentication' configuration 
directive appears to be global, meaning I will need to run two instances of 
dovecot for a while. Is that correct, or can this be done on a single instance 
of dovecot?

Jeff Simmons                                           jsimmons at goblin.punk.net
Simmons Consulting - Network Engineering, Administration, Security
"You guys, I don't hear any noise.  Are you sure you're doing it right?"
        --  My Life With The Thrill Kill Kult

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