Understand the UID value in mailbox debug

[voytek at sbt.net.au]

> Mar 19 11:53:57 backend3 dovecot: imap(REMOVED_FOR_PRIVACY):
> OmQLrmQubgDAqDIW copy from INBOX: box=INBOX.Spam, uid=58,
> msgid=<000601d181cd$71401940$53c04bc0$@bluewin.ch>, size=314585 Mar 19
> 11:53:57 backend3 dovecot: imap(REMOVED_FOR_PRIVACY):
> OmQLrmQubgDAqDIW delete: box=INBOX, uid=1614,
> msgid=<000601d181cd$71401940$53c04bc0$@bluewin.ch>, size=314585 Mar 19
> 11:53:57 backend3 dovecot: imapREMOVED_FOR_PRIVACY):
> OmQLrmQubgDAqDIW expunge: box=INBOX, uid=1614,
> msgid=<000601d181cd$71401940$53c04bc0$@bluewin.ch>, size=314585
>
> I do not understand whose UID this is, as it does not exist on the
> server. Does dovecot create temporary UID or something like that? Or is it
> more a process ID?


do you mean '58' ?

grep 58 /etc/passwd ?