[Dovecot] Dovecot and CAPITALISATION = grrrr ;-(

Ben ben+dovecot at mail-subs.com
Wed Sep 18 13:38:08 EEST 2013


On 18/09/2013 09:02, Tom Hendrikx 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 user at 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(user at 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
> }
>
> See http://wiki2.dovecot.org/AuthDatabase/PasswdFile and
> http://wiki2.dovecot.org/Variables
>
> Regards,
> 	Tom
>

Thanks Tom, will try !


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