I'm not "seeing" the same MX hostnames that is reported below. I wonder if you are working with obsolete cached copies of DNS records or perhaps some anti-spam a/v filters that need updating? Editorial comment -- some list-definition changes should be considered e.g., REVIEW= OWNER Notebook= Yes,A,Weekly,PRIVATE -- I had no problem getting the LISTSERV machine to respond ... Received: from f05n11.cac.psu.edu (r02a07.cac.psu.edu [146.186.15.17]) by f07n01.cac.psu.edu (8.9.3/8.9.3) with ESMTP id KAA167626 for <[log in to unmask]>; Tue, 29 Oct 2002 10:12:22 -0500 Received: (from daemon@localhost) by f05n11.cac.psu.edu (8.9.3/8.9.3) id KAA58448 for [log in to unmask]; Tue, 29 Oct 2002 10:12:22 -0500 Received: from central.ulcc.ac.uk ([log in to unmask] [193.63.88.11]) by f05n11.cac.psu.edu (8.9.3/8.9.3) with ESMTP id KAA245774 for <[log in to unmask]>; Tue, 29 Oct 2002 10:12:20 -0500 Received: from tpmde-48.tpmde.ac.uk ([193.62.94.48]) by central.ulcc.ac.uk with esmtp (Exim 2.12 #1) id 186Y2U-00074j-00 for [log in to unmask]; Tue, 29 Oct 2002 15:12:19 +0000 Date: Tue, 29 Oct 2002 15:45:23 +0000 X-PH: V4.1@f05n11 From: "L-Soft list server at TPMDE-48.TPMDE.AC.UK (1.8d)" <[log in to unmask]> Subject: File: "HLTHPROM-RESOURCES LIST" To: [log in to unmask] Message-Id: <[log in to unmask]> * Health Promotion Resource Workers Electronic Discussion List * * Review= Public Subscription= By Owner,confirm Send= Private * Notify= Yes Reply-to= List,Respect Files= No * Stats= Normal,Private Validate= No * Notebook= Yes,A,Weekly,Public * * Owner= [log in to unmask] * Owner= [log in to unmask] * Owner= Quiet: * Owner= [log in to unmask] * Owner= [log in to unmask] (list of 153 subscribers suppressed by pmw1) /Pete At 05:19 10/29/2002 Tuesday, ROUSSEAU, Naomi wrote: >Has anyone experienced problems with users subscribed from NHSnet addresses? >I have a lot of users who are on NHSnet, and not all of them have had >problems, but there are some users who have been unable to post to one of >our lists, even though they are subscribed, and they are all sending from >NHSnet. I've copied one of the error messages below, any ideas? > > -----Original Message----- > From: Mail Delivery Subsystem > [mailto:[log in to unmask]] > Sent: Wednesday, October 09, 2002 02:11 > To: [log in to unmask] > Subject: Returned mail: User unknown > > > > The original message was received at Wed, 9 Oct 2002 14:10:34 +0100 > from uucp@localhost > > ----- The following addresses had delivery problems ----- > <[log in to unmask]> (unrecoverable error) > > ----- Transcript of session follows ----- > ... while talking to mail2.nhs.uk.: > >>> RCPT To:<[log in to unmask]> > <<< 550 relaying to <[log in to unmask]> prohibited >by > administrator > 550 <[log in to unmask]>... User unknown