Ghost emails

[Giuseppe Ravasio]

Alle 22:11, martedì 5 giugno 2007, Florian Gleixner ha scritto:
> As far as i understand cyrus imapd, it does not delete the message
> instantly. It marks the message and the /usr/lib/cyrus/bin/cyr_expire
> job deletes the message some days later. The delete job is configured in
> /etc/cyrus.conf
>   # this is only necessary if using duplicate delivery suppression
>   delprune      cmd="cyr_expire -E 3" at=0400
> deletes duplicte messages older than 3 days every day at 4am.
>
> But i did not yet fully understand the entire process.

In the logs i see thoose lines every times a message is delivered (and i see 
this one, and every other message in my inbox!)...
Jun  8 09:34:44 thot lmtpunix[10927]: accepted connection
Jun  8 09:34:44 thot lmtpunix[10927]: lmtp connection preauth'd as postman
Jun  8 09:34:44 thot lmtpunix[10927]: duplicate_check: 
<200706080934.20295.giuseppe_ravasio at modiano.com> user.gravasio        0
Jun  8 09:34:44 thot lmtpunix[10927]: mystore: starting txn 2147490592
Jun  8 09:34:44 thot lmtpunix[10927]: mystore: committing txn 2147490592
Jun  8 09:34:44 thot lmtpunix[10927]: duplicate_mark: 
<200706080934.20295.giuseppe_ravasio at modiano.com> user.gravasio        
1181288084 2913
Jun  8 09:34:44 thot lmtpunix[10927]: mystore: starting txn 2147490593
Jun  8 09:34:44 thot lmtpunix[10927]: mystore: committing txn 2147490593
Jun  8 09:34:44 thot lmtpunix[10927]: duplicate_mark: 
<200706080934.20295.giuseppe_ravasio at modiano.com> .gravasio+ at .sieve.   
1181288084 0

I think that the duplicate_mark is only a Debug message meaning that this ID 
is committed to the duplicate check DB.

I'm wrong?
Anyone could explain how duplicate check works? and/or how to read thoose log 
lines?

Beppe