[Dovecot] Mapping username only for auth

[Timo Sirainen]

On Thu, 2005-10-06 at 13:11 -0600, Andy Cravens wrote:
> I am running Dovecot alpha 3 with authentication from the local shadow 
> file.  I'd like to change the authentication to use our  radius server.  
> I can probably do this through pam.
> 
> The usernames on the mail server are set up as first initial + last name 
> ( jdoe for John Doe ).  The usernames on the radius server are the 
> employee number.  Is there a way to map the username to the employee 
> number in dovecot before handing off the authentication to the radius 
> server?  I want the usernames on the mail server to remain first initial 
> + last name.  I don't mind maintaining a mapping file to go from 
> username to employee number because I can automate this task.
> 
> Has anybody done this?

Dovecot can't do this. Probably could/should be done by a PAM module
that is called before the Radius module.

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