identify MUA connecting?

[Rick Romero]

  Quoting Reindl Harald <h.reindl at thelounge.net>:

> Am 28.07.2014 19:58, schrieb Juan Pablo:
>> Hello I am using dovecot 1.2.15 on ubuntu.
>>
>> Is it possible to somehow log the MUA information that is connecting to
>> Dovecot?
>>
>> The reason I am wanting to do this is I would like to know if people
>> are getting their email on personal devices
>> instead of work secured / standardized phones
>
> from where should that information come?
>
> dovecot has IP, auth-method, username, passwword, TLS
> that is logged - there is no more information available
>
> grep the logs and analyze IP'sreslove the PTR's and you get some useful
> informations

IMHO, client certificates would work work well here.  I think Dovecot
supports it.

Rick