I tried from an external email account and received the same error. Must be a problem with their server or the email address itself. -----Original Message----- From: Dee Arnold Sent: Thursday, November 06, 2003 9:36 AM To: [ExchangeList] Subject: [exchangelist] 550 forwarding blocked http://www.MSExchange.org/ What do you make of this error? Your message did not reach some or all of the intended recipients. Subject: Sent: 11/6/2003 9:22 AM The following recipient(s) could not be reached: MRawlings@xxxxxxxx on 11/6/2003 9:23 AM There was a SMTP communication problem with the recipient's email server. Please contact your system administrator. <mail.tsta.org #5.5.0 smtp;550 forwarding blocked, read new mail, add 63.118.88.5 to forwarding or use smtp authentication> ------------------------------------------------------ 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 ------------------------------------------------------ ##################################################################################### Only the individual sender is responsible for the content of the message, and the message does not necessarily reflect the position or policy of the Texas State Teachers Association or its affiliates.