On Thu, 2004-11-04 at 23:09, Paul Howarth wrote: > (note: some mail servers, notably qmail, always send mail to a single > recipient at a time even if there are multiple recipients for the mail at a > domain, and others can be configured to do so. Whilst this is very > inefficient, particularly for large messages, mail you receive from such mail > servers should always cause your mail server to add the "for" clause in the > Received: header) Does sendmail has the same behavior. I would like to know as well since it _is_ very inefficient.