I believe a "553" NDR means you goofed-up some part of the address formatting (i.e., added a space, used something other than the "@" sign, et cetera).
-----Original Message----- From: Welton, Gene [mailto:[EMAIL PROTECTED]] Sent: Tuesday, August 27, 2002 1:17 PM To: Exchange Discussions Subject: Error 553 I am receiving a "553 Request action not taken: mailbox name not allowed" This is happening sporadically with no consistent behavior and lasts only about 15 minutes. Running Exchange 2000 w/SP3. Has anyone seen the same problem? Gene Welton Senior Design Engineer 6539 Westland Way Suite 18 Lansing, MI 48917 517-322-0600 [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

