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@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@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