[Dovecot] doveadm -A stops processing at first uid<first_valid_uid

[Timo Sirainen]

On 1.3.2012, at 10.44, Joseph Tam wrote:

> I would like to run various doveadm commands that involves all (mail) users like
> 
> 	doveadm expunge -A mailbox Trash savedbefore 30d
> 
> but any doveadm command that uses "-A" to iterate through all users will
> stop processing at the first account with UID<first_valid_uid.
> 
> 	doveadm(sysdaemon): Error: user sysdaemon: Couldn't drop
> 		privileges: Mail access for users with GID 5551 not permitted
> 		(see first_valid_gid in config file, gid from userdb lookup).
> 	doveadm(sysdaemon): Error: User init failed
> 	doveadm: Error: Failed to iterate through some users
> 
> However, these accounts are system accounts (locked password, no shell)
> and are in userdb to provide UID<->name mapping for utilities like ls,
> chown, etc.

What userdb are you using? userdb passwd should already skip users that aren't in the valid range. And what Dovecot version are you using?