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On Tue, 4 Feb 2014, Arkadiusz Miśkiewicz wrote:

Date: Tue, 4 Feb 2014 13:09:15 +0100
From: Arkadiusz Miśkiewicz <ar...@maven.pl>
To: dovecot@dovecot.org
Subject: Re: [Dovecot] mail_log_events,
    but who exactly triggered events? [feature request]

On Thursday 30 of January 2014, Steffen Kaiser wrote:
On Thu, 30 Jan 2014, Reindl Harald wrote:
Am 30.01.2014 12:04, schrieb Arkadiusz Miśkiewicz:
On Thursday 30 of January 2014, Reindl Harald wrote:
Am 30.01.2014 10:50, schrieb Arkadiusz Miśkiewicz:
mail_log_events is nice addition but how to log who exactly triggered
particular event? For example 5 users from 5 IP addresses uses single
imap user/mailbox.

One of them deletes email and I'm logging delete related events. The
only logged thing is:

dovecot: imap(user): delete: box=INBOX, uid=673287,
msgid=<some@thing>, size=1230

Here is a feature request:

Add optionally (or unconditionally) logging of session id in mail_log_events.

Timo, is this possible?

(the same session id that appears in login log entries: dovecot: imap-login:
Login: user=<someone2>, method=PLAIN, rip=aaa, lip=yyy,
mpid=11682, TLS, session=<U1lD9y3xoQBPuvZx>)

So for example this would get logged:
dovecot: imap(user): delete: box=INBOX, uid=673287, msgid=<some@thing>,
size=1230, session=<U1lD9y3xoQBPuvZx>

did you've tried this:
http://wiki2.dovecot.org/Variables
there is the session variable and the mail_log_prefix setting. Should work, IMHO.


@Arkadiusz, please tell us, if 10 people use the same account name and
password, how would you as a server behind the internet with a human
brain differ those 10 individuals?

The only idea I, personally, have is the IP address: Do they connect from
different IP addresses _all_ the time? No NAT involved? Do you know who
uses which IP address _all_ the time? If so, Dovecot logs the IP address
during login and you can associate a PID with an IP address, IMHO you can
add the remote IP address to the log string. Check out the variables page
in the Wiki.

But, frankly, _if_ you have someone, who is >>"bad" and deletes important
mail<<, you should see >>sensible reason to disallow such work style<<.
The next time you see yet another IP address and don't know the user
again.

Ok, but why session id that's assigned at login cannot be logged in
mail_log_events, too? Is there any technical problem with this approach?

It solves the problem (yes, assume different IP addresses; won't work
obviously if the address is the same)

The discussion is now about changing the way service is used by people while
I'm more interested in what dovecot can do or (enhancing) dovecot
capabilities.



- -- Steffen Kaiser
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