On 18.9.2013, at 11.02, Tom Hendrikx <t...@whyscream.net> wrote:
> On 09/18/2013 09:43 AM, Ben wrote:
>> Hello,
>>
>> As far as I'm aware, email is case insensitive ?
>>
>> Dovecot however, seems to be taking offence at the fact that someone is
>> sending mail to u...@somedomain.xyz.
>>
>> Postfix has no issues handling it, it when it gets passed over to
>> Dovecot LMTP that I get log lines such as :
>>
>> Sep 17 13:48:22 ukc-vm02-mx01 dovecot: auth:
>> passwd-file(u...@somedomain.xyz): unknown user
>
> This is an IMAP username that seems to be formatted similar to an e-mail
> address because your setup is built like that.
> Usernames (IMAP or otherwise) and passwords are not part of any email
> spec, but checking them case-sensitive sounds like a good idea in general.
>
> You should make sure that the username string used by dovecot-auth is
> formatted according to what your setup dictates (i.e. probably all
> lowercase). Probably you need something along the lines of:
>
> userdb {
> driver = passwd-file
> args = username_format=%Lu /path/to/file
> }
Easiest that works with all passdbs and userdbs is:
auth_username_format = %Lu
This has also been the default since .. v2.1 I think.
