[Dovecot] what does it mean first_uid

Timo Sirainen tss at iki.fi
Sun Aug 7 16:45:17 EEST 2005

On Wed, 2005-08-03 at 01:46 -0700, G?han Alkan wrote:
>   i installed qmail + vpopmail + dovecot.i installed
> dovecot without problems.but i run 
> telnet localhost 143
> x login user password
> it seems to error about first_uid.and i change
> first_uid vpopmail_uid (89) its ok.but i dont
> understand first_uid.and sholud i change last_uid ,
> first_gid ,last_guid . do you recommend it

If vpopmail_uid is 89, than you can just set:

first_valid_uid = 89

You could set last_valid_uid = 89 as well if you want, since that's the
only UID that is really used.

It's anyway just an extra check to avoid accidentally allowing users in
who shouldn't really have access. With virtual users it doesn't really

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