[Dovecot] IMAP and SMTP Authentication

[Timo Sirainen]

On Oct 7, 2008, at 7:16 PM, Roderick A. Anderson wrote:

>> So use:
>> passdb passwd-file {
>>  args = username_format=%n /var/mail/vhosts/%d/passwd
>> }
> Well these did seem to be set correctly (I've been experimenting  
> with different settings).
>
> Here is a portion of "dovecot -n" output
>
> passdb:
>  driver: passwd-file
>  args: /var/mail/vhosts/%d/passwd
> userdb:
>  driver: passwd-file
>  args: uid=vmail gid=vmail username_format=%n /var/mail/vhosts/%d/ 
> passwd

passwd-file has no such settings as uid and gid.

> Where does userdb and passdb each come into play?

Password is looked up from the passdb. After user is successfully  
authenticated it looks up home directory, uid and gid from userdb.

> Should their settings be the same since I'm using one file?

Yes.
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