Read http://www.faqs.org/rfcs/rfc2822.html and digest carefully.
Emails with a "From: <>" header are delivery notification messages. RFC2822 says mailers must accept these messages (they can, if I recall correctly, do what they like with them). There are an awful lot on non-RFC2822-compliant mail servers out there. Phil --------------------------------------------- Phil Randal Network Engineer Herefordshire Council Hereford, UK > -----Original Message----- > From: James Lavoie [mailto:[EMAIL PROTECTED]] > Sent: 04 March 2002 15:37 > To: Exchange Discussions > Subject: testing relay > > > I followed the Microsoft article on preventing mail relay on > exchange 5.5 > and went to a couple different sites that check your server > for you to see > if relaying is open, BUT......... I get outbound mail failure > notifications > from email that was not sent out by any of our employees.... > Reason for > error is "message timeout" and I'm unsure if it is a misleading error > message. Reason for failure should be that relaying is prohibited? I'm > wondering if alas relaying is still possible. > The from: address on these messages is invariably <> > Anyone have input? > > Thanks, > Jay > > _________________________________________________________________ > 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]
