Well, since you obscured all the needed information, it is either their problem or your problem. It depends on where the bounce came from. If it came from your server, it is your problem. If it came from their server, it is their problem. Since you have not provided any other information, that is all we can help you with. John Tolmachoff Engineer/Consultant/Owner eServices For You > -----Original Message----- > From: Sam [mailto:ckslai@xxxxxxxxxxx] > Sent: Friday, September 24, 2004 8:18 AM > To: [ExchangeList] > Subject: [exchangelist] Can not received email from a client > > http://www.MSExchange.org/ > > Hello all, > > One of my client could not send an email to my company. I have no > difficult to receive other client's email. > > Here is the bouncing back email to my client: > > The following recipient(s) could not be reached: > > xxxxxx@xxxxxx on 23/09/2004 9:50 AM You do not have permission to > send to this recipient. For assistance, contact your system > administrator. <xxxx.xxxxx.xxxxxxx.com #5.7.1 smtp;550 5.7.1 > <xxxxx@xxxxxx>... Relaying denied. IP name possibly forged > [xxx.xxx.xxx.xxx] > > > Do you have any clue with this issue? > > Thank you > Sam > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp > Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > World of Windows Networking: http://www.windowsnetworking.com > Leading Network Software Directory: http://www.serverfiles.com > No.1 ISA Server Resource Site: http://www.isaserver.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security Library: http://www.secinf.net/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this MSEXchange.org Discussion List as: > johnlist@xxxxxxxxxxxxxxxxxxx > To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Report abuse to listadmin@xxxxxxxxxxxxxx