RE: Error 550 Cannot route to sender

[Andy David]

Title: Message

Do you you a PTR record for mail.domain.com? (Why not just tell us what the real name is?)   -----Original Message----- From: Rogers, Michael J. [mailto:[EMAIL PROTECTED]] Sent: Thursday, May 09, 2002 1:17 PM To: MS-Exchange Admin Issues Subject: RE: Error 550 Cannot route to sender 2000.  It only happens with one external domain.  We can send to anybody else so far.   -----Original Message----- From: Precht, David [mailto:[EMAIL PROTECTED]] Sent: Thursday, May 09, 2002 1:02 PM To: MS-Exchange Admin Issues Subject: RE: Error 550 Cannot route to sender   what version of exchange ? -----Original Message----- From: Rogers, Michael J. [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 08, 2002 14:12 To: MS-Exchange Admin Issues Subject: Error 550 Cannot route to sender Any ideas on this?     I have two exchange servers.   The users on one have the email address of [EMAIL PROTECTED]   The other has an address of [EMAIL PROTECTED]     When we send to a certain organization, [EMAIL PROTECTED] goes through fine.  If we send to the same organization from [EMAIL PROTECTED] we get :     the following recipient(s) could not be reached:           'Outside User' on 5/8/2002 11:20 AM               There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.               <My Server Name #5.5.0 smtp;550 rejected: cannot route to sender <[EMAIL PROTECTED]>>     List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm ------------------------------------------------------------------------------ The information contained in this email message is privileged and confidential information intended only for the use of the individual or entity to whom it is addressed. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copy of this message is strictly prohibited. If you have received this email in error, please immediately notify Veronis Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or email ([EMAIL PROTECTED]) and delete the message. Thank you. ==============================================================================