Joseph Brennan brennan at
Mon Oct 24 12:59:13 EDT 2005

Ken Murchison <murch at> wrote:

>> I know I had to give "anyone" "p" on shared folders. I tried giving "p"
>> to user "cyrus", but it somehow did not work, not sure why. Delivery is
>> done from Sendmail via LMTP and I did setup auth-info, so Sendmail
>> should have authenticated itself as user "cyrus". Is that the right way?
> The MTA needs to use the AUTH=<authid> keyword with the MAIL FROM
> command.  It is this authid which is used when checking the ACL.

Yes yes, but that is the trick!  Suppose one's sendmail smtp server has
authenticated a sender, and we find that the the message should relay
to our Cyrus server, how do we tell Cyrus it was auth'd as that user?
We'd welcome reference to any document on the subject.

Joseph Brennan
Columbia University Information Technology

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