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+Mailman - The GNU Mailing List Management System
+Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc.
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+
+
+NETSCAPE ISSUES
+
+    Some of your users may experience problems sending mail to a
+    members-only list, if they are using Netscape Communicator as
+    their MUA.  Communicator 4.x on Linux has been observed to insert
+    bogus unqualified Sender: headers -- i.e. Sender: headers with
+    only the username part of the email address.  Other version of
+    Netscape may also have the same bug.
+
+    By default, members-only lists use the From: header as the first
+    field to authenticate against, falling back to Sender:.  The site
+    administrator can also configure Mailman to always use Sender:
+    first.  If Sender: is used, and it exists in the email message,
+    but it is unqualified, it will never match a mailing list member's
+    address, and their post will always be held for approval.
+
+    In the future, Mailman will improve its algorithm for finding a
+    matching address, but in the meantime, M. A. Lemburg <mal@lemburg.com> 
+    provides the following advice.  You can send this snippet to any user
+    whose posts are being held for seemingly no reason.
+
+        Edit the two .js files in your .netscape directory (liprefs.js and
+        preferences.js) to include the function call:
+
+        user_pref("mail.suppress_sender_header", true);
+
+        BTW, the binary includes a comment which says that this is only
+        necessary on Unix.
+
+        Since Communicator regenerates this file upon exit, the change
+        must be done when Communicator is not currently running.  With the
+        next start, it will stop adding the Sender: header and things
+        start to work like a charm again.
+
+    The reason things start to work again, is that Mailman falls back to
+    authenticating the From: header if the Sender: header is missing,
+    even if the site administrator has configured things to look at
+    Sender: first.
+
+
+MOZILLA
+
+    There are no known problems with Mozilla 0.9.x at this time.  I
+    don't know whether the above Netscape problem also affects
+    Mozilla.
+
+
+
+Local Variables:
+mode: indented-text
+indent-tabs-mode: nil
+End: