Can you send mail to them using raw telnet with that from address? > -----Original Message----- > From: Exchange Server [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, June 25, 2002 2:13 PM > To: Exchange Discussions > Subject: Weird NDR > > I am having a weird problem. I have users in my company that can send > email just fine to a particular email address. But I have other users > that get the following NDR when they send to the same address. This is > a single Exchange2K server, sp2. Everyone is configured the same. > > Any ideas? > > > > Your message did not reach some or all of the intended recipients. > > Subject: test > Sent: 6/24/2002 5:05 PM > > The following recipient(s) could not be reached: > > '[EMAIL PROTECTED]' on 6/24/2002 5:05 PM > There was a SMTP communication problem with the recipient's > email server. Please contact your system administrator. > <gipper.TelPro1.com #5.5.0 smtp;553 Authentication is > required to send mail as <[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]
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