On 6/26/2011 3:12 PM, Ralf Hildebrandt wrote:
* Georg Sauthoff<[email protected]>:

Since procmail(1), and other utilities need to be able to forward mail
while retaining the original envelope sender address, restricting the
envelope sender address in sendmail would be quite disruptive. Postfix
does not provide such a feature.

Ok, that makes sense.

Thanks for the clarification.

You might be able to use mini_sendmail (which uses SMTP) and SMTP-AUTH
to restrict the envelope sender a certain users can use. But I'm not
sure if it can use SMTP-AUTH :ยป


mini_sendmail doesn't do AUTH, so it wouldn't be possible to restrict which users are able to send mail.

Maybe Georg can use the postfix sendmail(1) command to limit which users can send mail, and a content_filter (which can be a postfix listener) to reject unauthorized MAIL FROM names.


  -- Noel Jones

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