[Dovecot] Tools to analyze status/stats?

wolff gary.wolff at gmail.com
Tue Dec 6 00:33:41 EET 2005

Thanks for the info... I will check sendmail/procmail more to see if i can
idenfity anything.

As far as tools or reports, I was thinking if I could look at the following
things I could get a good idea of the status/health of my mailserver/imap

- The number of messages per date range, per user, received, delivered to
each user mail box, and undeliverable messages
- The number of messages for unknown users or which had any sort of delivery
- Any error messages dovecot might produce communicating with the mta.

I guess the latter would be in my log files somewhere...I've found log
entries identifying the starting/stopping of dovecot, but haven't come
across any other messages (which I assume is a good thing and that the
system is working just fine... and also because I am getting mail ...:-))


Gary Wolff

On 12/5/05, Curtis Maloney <cmaloney at cardgate.net> wrote:
> wolff wrote:
> > Hello,
> >
> > I recently installed dovecot on a server running Debian.
> >
> > I only have 10 users, but we probably have 6Gig of email between us.
> We have only about 20 users, and store around 23 to 25G of mail.  And
> that's
> mostly because I was tyrannical about people keeping their mailboxes lean
> until
> we got a new HDD :)
> > Things were working flawlessly for a couple of weeks, and I'm still
> getting
> > email, but the last few days we are getting fewer emails that we
> typically
> > do.
> > So although things seem to be working well, everyone is suspicious
> something
> > is wrong due to the lack of email volume.
> >
> > Is there a size limit that dovecot can manage?
> That's mostly dependent on your file system, since you're running
> Maildir.  The
> limits will be on "messages per folder" and "single file size", both of
> which
> you are unlikely to have reached.
> > Are there any admin tools to get status messages for dovecot?
> No, but that's not a bad idea.  What sort of features would you be looking
> for?
> > Are there any reporting tools to show how many messages are
> > processed/managed by dovecot?
> Well, there are a few options and patches that make it easier to see how
> many
> messages people are reading with Dovecot... but since it's the _ingress_
> of mail
> you're suspecting, I'd be looking at your MTA logs (
> sendmail/postfix/qmail/exim/whatever ) -- if the MTA isn't seeing the
> mail,
> there's no way Dovecot can, either.
> --
> Curtis Maloney
> cmaloney at cardgate.net
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