dovecot - Nov 2008 - Dovecot as proxy for M$ Exchange mailboxes

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Hi list,

is there a way to use dovecot as proxy for m$ exchange mailboxes?

Currently, our clients not only can login to their mailboxes with
their e-mail address but also with their accountid.
Both the clients e-mail address and accountid are stored in ldap.

Now I need a way to let dovecot rewriting the client's accountid to
the respective e-mail address. Is this possible with the proxy-feature
of dovecot?

Any hints would be appreciated.

- --
Freundliche Gr??e / Kind regards

Axel Schmalowsky
Platform Engineer
___________________________________

domainfactory GmbH
Oskar-Messter-Str. 33
85737 Ismaning
Germany

Telefon:  +49 (0)89 / 55266-356
Telefax:  +49 (0)89 / 55266-222

E-Mail:   aschmalowsky at df.eu
Internet: www.df.eu

Registergericht: Amtsgericht M?nchen
HRB 150294, Gesch?ftsf?hrer Tobias
Marburg, Jochen Tuchbreiter
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How is this proxying Exchange?

On 28 Nov 2008, at 07:21, Axel Schmalowsky wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi list,
>
> is there a way to use dovecot as proxy for m$ exchange mailboxes?
>
> Currently, our clients not only can login to their mailboxes with
> their e-mail address but also with their accountid.
> Both the clients e-mail address and accountid are stored in ldap.
>
> Now I need a way to let dovecot rewriting the client's accountid to
> the respective e-mail address. Is this possible with the proxy-feature
> of dovecot?
>
> Any hints would be appreciated.
>
> - --
> Freundliche Gr??e / Kind regards
>
> Axel Schmalowsky
> Platform Engineer
> ___________________________________
>
> domainfactory GmbH
> Oskar-Messter-Str. 33
> 85737 Ismaning
> Germany
>
> Telefon:  +49 (0)89 / 55266-356
> Telefax:  +49 (0)89 / 55266-222
>
> E-Mail:   aschmalowsky at df.eu
> Internet: www.df.eu
>
> Registergericht: Amtsgericht M?nchen
> HRB 150294, Gesch?ftsf?hrer Tobias
> Marburg, Jochen Tuchbreiter
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.7 (MingW32)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>
> iD8DBQFJL+JKsuqpduCyZM0RAoFUAJ9mPbv5eI5xP54YhwlmOs40F1RxDQCgir5l
> jCdaNeXKO8FnOCxaKSI7S4E> =m5WN
> -----END PGP SIGNATURE-----
>

On Fri, 2008-11-28 at 13:21 +0100, Axel Schmalowsky
wrote:
> is there a way to use dovecot as proxy for m$ exchange mailboxes?
Sure. Works exactly the same way as for any other IMAP server behind it.
> Currently, our clients not only can login to their mailboxes with
> their e-mail address but also with their accountid.
> Both the clients e-mail address and accountid are stored in ldap.
> 
> Now I need a way to let dovecot rewriting the client's accountid to
> the respective e-mail address. Is this possible with the proxy-feature
> of dovecot?
Yes. Just make the pass_filter match both accountid and email address,
and add email_address=destuser to pass_attrs.

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