We are getting the same problem; we have Exchange 2007. The e-mails were sent using Outlook.
Bernoli I. Baello, Ph.D. Chairman, Science and Math Department Technology Coordinator Northridge Preparatory School 8320 Ballard Rd Niles IL 60714 (o) 847.375.0600 (f) 847.375.0606 -----Original Message----- From: tech-geeks-boun...@tech-geeks.org [mailto:tech-geeks-boun...@tech-geeks.org] On Behalf Of Ekhoff, Andrew Sent: Wednesday, September 29, 2010 12:55 PM To: Tech-Geeks Mailing List Subject: Re: [tech-geeks] Exchange 5.7.1 SMPT error Are you using POP3? Andy Andrew Ekhoff Technology Coordinator St. Anne Public Schools aekh...@sags.k12.il.us SAGS: (815) 427-8153 SACHS: (815) 427-8141 -----Original Message----- From: tech-geeks-boun...@tech-geeks.org [mailto:tech-geeks-boun...@tech-geeks.org] On Behalf Of Mike McGowan Sent: Wednesday, September 29, 2010 12:42 PM To: Tech-Geeks Mailing List Subject: [tech-geeks] Exchange 5.7.1 SMPT error I am getting this error message when we send emails to certain people. mail.L156.org #5.7.1 smtp;550 5.7.1 Unable to relay for "sender". We are using Exchange 2003. Has anyone seen a fix for this? I have looked all over online and am not finding the solution. Thanks. Mike McGowan | Subscription info at http://www.tech-geeks.org | | Subscription info at http://www.tech-geeks.org | | Subscription info at http://www.tech-geeks.org |
