Is the originator '<>'? If so, it's your server sending out NDR's to originators og messages that hasn't been delivered to anyone on your server. For instance, if I send a message to dude@xxxxxxxxxx and there is no 'dude' at that domain, '<>' will send a NDR back to me informing me that it couldn't be delivered. This is commonly misinterpreted as spam. HTH, Örjan -----Original Message----- From: Juan Ibarra [mailto:jibarra@xxxxxxxxxxx] Posted At: den 28 januari 2003 05:03 Posted To: exchange Conversation: [exchangelist] Exchange 5.5 Subject: [exchangelist] Exchange 5.5 http://www.MSExchange.org/ Hi all, I have a spamming problem. I have tried to understand the reason why I am getting all this spam in my outgoing queue. My server is internal and port 25 is close on my FW. I have a send mail server on the outside that forwards all email to my exchange server on the inside. The send mail server is not an open relay, neither is my exchange box. I can't even ping it from the outside. Yet on a daily basis I get a lot of emails without originator on my ques. I have nothing check on my routing restrictions tab, but I figured I don't need to because it is in the inside. Hope one of you has an answer for me. Thanks, Juan ------------------------------------------------------ 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 ------------------------------------------------------ ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: exchange@xxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')