[Dovecot] IMAP login name conversion

[Timo Sirainen]

On Wed, 2004-06-02 at 02:51, Zoong Pham wrote:
> I can use mutt to access my mailbox via IMAPS with login name format
> joedirt-joedomain_com_au.
> 
> Other users use different MUA like Outlook and prefer to login with
> their email addresses (joedirt at joedomain.com.au, info at adomain.com, 
> info at otherdomain.com)
..
> My question is how to achieve the same thing with other MUAs like
> Outlook?
> Do I have to modify dovecot source?
> Can I use LDAP or SQL instead?

I think that kind of conversion is too much of a special case that
Dovecot should try to make it easy with internal features.

With PostgreSQL authentication you would be able to use functions to
modify the login name in wanted way:

password_query = select password from users
where userid = '%n-' || translate('%d', '.', '_');

If you don't want to do that, you'll have to modify the sources. For
example in src/auth/mech-plain.c

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