No, ISA is running on a Windows 2K box and Exchange is on a Windows NT4 SP6 box. -----Original Message----- From: Gabriel Zabal [mailto:gabriel@xxxxxxxxxxx] Sent: Monday, February 04, 2002 3:46 PM To: [ISAserver.org Discussion List] Subject: [isalist] Re: Unable to Relay http://www.ISAserver.org Are you running Ex and ISA on the same server ? Gabriel Zabal gabriel@xxxxxxxxxxx ----- Original Message ----- From: "Christina Newhouse" <ccn@xxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Monday, February 04, 2002 12:26 PM Subject: [isalist] Unable to Relay > http://www.ISAserver.org > > > For the last two weeks, after we rebooted our Exchange 5.5 server, we were > unable to receive inbound e-mail. However, we could send emails and we > had interoffice e-mail. The NDR states the following: > > The following address had permanent fatal errors - (ccn@xxxxxxxx) > > ...while talking with mail.tpgl.com: > >>>RCPT To:<ccn@xxxxxxxx> > <<<550 Unable to relay for ccn@xxxxxxxx > 550 <ccn@xxxxxxxx>...User unknown > > After I reboot the Exchange server, ISA server and stop and restart the > IMS service and SMTP service on Exchange numerous times, we will suddenly > start to get inbound e-mails again. It's a mystery to me. > > Thanks for any advice or suggestions! > > Tina Newhouse > > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: gabriel@xxxxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub') ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: ccn@xxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') CONFIDENTIAL & PRIVILEGED Unless otherwise indicated or obvious from the nature of the above communication, the information contained herein is attorney-client privileged and confidential information/work product. The communication is intended for the use of the individual or entity named above. If the reader of this transmission is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error or are not sure whether it is privileged, please immediately notify us by return e-mail and destroy any copies, electronic, paper or otherwise, which you may have of this communication.