Authenticating and authorizing as different users w/an MUA?

Igor Brezac igor at
Mon Dec 15 15:18:19 EST 2003

On Mon, 15 Dec 2003, Wil Cooley wrote:

> I recall being able to authenticate as one user and authorize as another
> at some point with cyradm; it doesn't seem to do that anymore (at least,
> it's not in the man page).  At any rate, this tells me it's something

It still works for me.

> the server and IMAP protocol are capable of.  However, I don't know of
> any MUAs that will let you do this, which is important for certain user
> support issues.  Does anyone know of one, or am I mistaken about being
> able to do this?

pine can do it.  Any c-client based client is capable of proxy
authorization.  php unfortunately does not export plain mech; a small
patch fixes this problem.  This php patch allows IMP to do proxy auth.


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