It tells you why in the NDR. "[217.165.51.61] blocked using dul.dnsbl.sorbs.net, reason: Dynamic IP > Address See: http://www.dnsbl.sorbs.net/lookup.shtml?217.165.51.61>" _____ From: shoeb [mailto:shoeb@xxxxxxxxxxxxxxxxxx] Sent: Saturday, October 23, 2004 8:15 AM To: [ExchangeList] Subject: [exchangelist] Re: picture in owa http://www.MSExchange.org/ I am trying to send a email to one of my client , getting following error The following recipient(s) could not be reached: > > 'M.Prakash@xxxxxxxx' on 10/23/2004 1:52 PM > There was a SMTP communication problem with the recipient's email server. Please contact your system administrator. > <egs-exh.server.local #5.5.0 smtp;554 Service unavailable; > [217.165.51.61] blocked using dul.dnsbl.sorbs.net, reason: Dynamic IP > Address See: http://www.dnsbl.sorbs.net/lookup.shtml?217.165.51.61> But if I try to send the mail from other domain the mail reaches to the above email address. Can anyone highlight on this and what is the remedy for this ------------------------------------------------------ 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: adavid@xxxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to listadmin@xxxxxxxxxxxxxx
