[Dovecot] Using plaintext auth and SSL

Eliezer Croitoru eliezer at ngtech.co.il
Tue Mar 20 02:16:21 EET 2012

On 20/03/2012 01:37, Jeff Simmons wrote:
> 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?
there is no connection between the plaintext auth to the ssl\tls layer.
you can just change the in the service section of the 10-master.conf 
file of the imap to no imap at all and use only imaps listener with port 
for your choose such as 143 or 993 and you will have a only imap over ssl.


Eliezer Croitoru
IT consulting for Nonprofit organizations
elilezer <at> ngtech.co.il

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