Re: [Exim] Authenticated sender

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Author: Philip Hazel
Date:  
To: David Saez
CC: exim-users
Subject: Re: [Exim] Authenticated sender
On Fri, 25 Jul 2003, David Saez wrote:

> As for Section 32.4 from online docs it seems that Exim only puts the value
> from the AUTH parameter on incoming SMTP MAIL command to $authenticated_sender
> if both the client host has authenticated itself and expansion of the
> server_mail_auth_condition on the authenticator expands to true,


Yes, the client must successfully authenticate before Exim will trust
the value of AUTH on an SMTP MAIL command.

> but is there
> any way to get this value on $authenticated_sender when the client host has
> not authenticated itself ?


No. (Well, not when the message comes from a client host.)

> Will Exim when it receives a MAIL FROM with the AUTH parameter, and this mail
> is forwarded to another host, supply the same AUTH parameter when delivering
> that email ?


Yes, if the original client authenticated, and if the current host is
able to authenticate with the host it sends the message on to.

> Is possible to set the AUTH value for Exim to use when delivering email (on
> a email by email basis) ?


Only for non-SMTP mail (see the -oMaa option).

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book