It's not a problem with your server, Osirusoft has blacklisted the world. Read here: http://www.merit.edu/mail.archives/nanog/msg12818.html <http://www.merit.edu/mail.archives/nanog/msg12818.html> -----Original Message----- From: Opeyemi Olomo [mailto:O.Olomo@xxxxxxxxxxxxxxxxx] Sent: Wednesday, August 27, 2003 7:55 AM To: [ExchangeList] Subject: [exchangelist] RE: Exchange 2003 Problems http://www.MSExchange.org/ You have been blacklisted. This means your mail server is using an open proxy. This will allow Spam to pass through your network. You need to have a good firewall or anti-Spam software to resolve this. Try going to www.dnsstuff.com <http://www.dnsstuff.com> and do a Spam-abuse lookup for you mail server IP address. You can then try to unblock your mail server after securing it. ----------------------------------------------------------------------- Opeyemi Olomo Corporate Development, Ocean and Oil Holdings 10th Floor, The Octagon 13A AJ Marinho Drive, Victoria Island Lagos Office Tel No: +234 1 461 6223-5 Ext: 123 Mobile No: +234 802 291 0164 ----------------------------------------------------------------------- -----Original Message----- From: Qusai A. AL Haddad [mailto:qusai@xxxxxxxxxxxxxx] Sent: Wednesday, August 27, 2003 12:37 PM To: [ExchangeList] Subject: [exchangelist] Exchange 2003 Problems http://www.MSExchange.org/ Dear All I am facing a problem that I cannot send to any of the out side hostname I can received from outside and I can send also locally.. When I send to outside I am getting this problem Your message To: Subject: Sent: Wed, 27 Aug 2003 14:33:10 +0300 did not reach the following recipient(s): External Mail on Wed, 27 Aug 2003 14:33:46 +0300 There was a SMTP communication problem with the recipient's email server. Please contact your system administrator. <mail.domain.com #5.5.0 smtp;591 your host [IP Address] is blacklisted by relays.osirusoft.com. No mail will be accepted> Regards Qusai ------------------------------------------------------ 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: 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: o.olomo@xxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') ------------------------------------------------------ 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: 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: bdaniels@xxxxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')