From owner-freebsd-hackers Tue Sep 1 09:20:31 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id JAA04562 for freebsd-hackers-outgoing; Tue, 1 Sep 1998 09:20:31 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from garbo.lodgenet.com (garbo.lodgenet.com [204.124.122.252]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id JAA04556 for ; Tue, 1 Sep 1998 09:20:29 -0700 (PDT) (envelope-from johnp@lodgenet.com) Received: from milo.lodgenet.com (milo.lodgenet.com [10.0.122.42]) by garbo.lodgenet.com (8.6.12/8.6.9) with ESMTP id LAA11257; Tue, 1 Sep 1998 11:11:54 -0500 Received: from milo.lodgenet.com (localhost [127.0.0.1]) by milo.lodgenet.com (8.8.7/8.8.5) with ESMTP id LAA20272; Tue, 1 Sep 1998 11:18:37 -0500 (CDT) Message-Id: <199809011618.LAA20272@milo.lodgenet.com> X-Mailer: exmh version 2.0gamma 1/27/96 To: David Wolfskill cc: johnp@lodgenet.com, freebsd-hackers@FreeBSD.ORG Subject: Re: Weird sendmail/pop problem In-reply-to: Your message of "Tue, 01 Sep 1998 09:12:19 PDT." <199809011612.JAA26728@pau-amma.whistle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 01 Sep 1998 11:18:36 -0500 From: John Prince Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I Agree... --john David Wolfskill writes: > >Date: Mon, 31 Aug 1998 20:02:31 -0500 > >From: John Prince > > >Not knowing the full situation, only the problem as described, it > >appears to me the mail is not created during an alias expansion for > >the original sender. > > >If there is a better way I am "humbly" all ears.. > > >How would you suggest it be corrected? > > First, it's not clear that "mail not created during alias expansion" is, > in and of itself, a problem. > > Second, if that *is* perceived to be a problem in a particular set of > circumstances, sendmail provides a way to override the default > behavior: ensure that the agent that invokes sendmail does so with the > "-m" command-line flag. [I'll grant you that this doesn't seem to be > documented in the sendmail man page. It's in the source, which is > available, and it's alluded to in the man page for "mail". That might > be fixed in sendmail 8.9.1; I'm currently running 8.8.8 internally. If > it's not fixed in 8.9.1, perhaps someone might want to suggest a patch > for the man page to the folks at sendmail.org.] > > Further, it would appear that the basic issue is that in this case, > someone is injecting mail into a system in such a way that sendmail is > being told (by the "-f" flag, if I recall correctly) what the sender's > identity is. Since the alias expansion includes an address that matches > this address (the one specified by "-f"), sendmail is, as usual, > suppressing the generation of a likely superfluous copy, as the sender > is presumed to be able to make copies, or specifically request (via Cc: > or Bcc:, for example) a copy. > > And in the more general case, it's possible to use a tool such as > majordomo, in which case the usual arrangement is that the "sender" name > is set to the name of the list (administrator), so all messages to the > list would get sent to all members of the list -- even the originator. > > david > -- > David Wolfskill UNIX System Administrator > dhw@whistle.com voice: (650) 577-7158 pager: (650) 371-4621 > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message