merge dovecot-auth backend

Hi.

Perhaps you already know,... there's a patch
(http://wiki2.dovecot.org/maildrop) available to make user lookups
against dovecots own auth extension.

It seems to apply nicely and happily co-exist with the original system.
The license is also the same and there's even a nice README included.

Given that dovecot is major imap/pop3 server these days and people
like to use its own user auth system... and given that it would make
life a lot easier if this patch was merged upstream,... would it be
possible to do so?
Or at least tell, where it would have to be improved in order to get merged?

Perhaps it would be enough to merge it to the standalone maildrop :)


Thanks in advance,
Philippe.

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