RFC2821 (http://www.faqs.org/rfcs/rfc2821.html) section 6.1.
Such mails can be swallowed or ignored, but they should never be bounced. You can check your mail server's compliance here: http://vger.kernel.org/mxverify.html Phil --------------------------------------------- Phil Randal Network Engineer Herefordshire Council Hereford, UK > -----Original Message----- > From: Roger Seielstad [mailto:roger.seielstad@;inovis.com] > Sent: 06 November 2002 17:20 > To: Exchange Discussions > Subject: RE: Mail Relaying Originator <> > > > That's fine. Those are NDRs and probably shouldn't be blocked. > > ------------------------------------------------------ > Roger D. Seielstad - MCSE > Sr. Systems Administrator > Inovis - Formerly Harbinger and Extricity > Atlanta, GA > > > > -----Original Message----- > > From: Dave Morrow [mailto:David.Morrow@;autodata.net] > > Sent: Wednesday, November 06, 2002 10:28 AM > > To: Exchange Discussions > > Subject: Mail Relaying Originator <> > > > > > > I recently setup my MS Exchange server such that only people > > connecting from > > a specific set of IP addresses (my company's IP range) and > > connections to an > > internal IP address are allowed to relay mail. > > > > After doing so, I am still noticing mail in the IMC queue > that has an > > originator of <> > > > > > > David Morrow > > Network Administrator > > Autodata Solutions Company > > Ph: (519) 951-6067 Fax: (519) 451-6615 > > mailto: [EMAIL PROTECTED] > > > > "Poor planning on your part does not necessitate an emergency > > on my part." > > > > This message has originated from Autodata Solutions Company. > > The attached > > material is the Confidential and Proprietary Information of Autodata > > Solutions Company. This email and any files transmitted with it are > > confidential and intended solely for the use of the > > individual or entity to > > whom they are addressed. If you have received this email in > > error please > > delete this message and notify the Autodata system administrator at > > [EMAIL PROTECTED] > > > > > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:leave-exchange@;ls.swynk.com > > 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:leave-exchange@;ls.swynk.com > 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:leave-exchange@;ls.swynk.com Exchange List admin: [EMAIL PROTECTED]
