nanog mailing list archives
Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus )
From: "Edward B. Dreger" <eddy+public+spam () noc everquick net>
Date: Sat, 10 Dec 2005 17:00:57 +0000 (GMT)
MS> Date: Sat, 10 Dec 2005 22:54:24 +1100 MS> From: Matthew Sullivan MS> RFC 2821 states explicitly that once the receiving server has issued a 250 MS> Ok to the end-of-data command, the receiving server has accepted MS> responsibility for either delivering the message or notifying the sender MS> that it has been unable to deliver. RFC2821 also says that a message MUST And RFC 1034/1035 (I forget which) specifies an RD bit which, in reality, is rather useless. Following RFCs is good for compatibility. However, RFCs are hardly infallible word from on high. Sometimes they require revisiting and revision. Eddy -- Everquick Internet - http://www.everquick.net/ A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/ Bandwidth, consulting, e-commerce, hosting, and network building Phone: +1 785 865 5885 Lawrence and [inter]national Phone: +1 316 794 8922 Wichita ________________________________________________________________________ DO NOT send mail to the following addresses: davidc () brics com -*- jfconmaapaq () intc net -*- sam () everquick net Sending mail to spambait addresses is a great way to get blocked. Ditto for broken OOO autoresponders and foolish AV software backscatter.
Current thread:
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Robert Bonomi (Dec 09)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Douglas Otis (Dec 09)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Todd Vierling (Dec 10)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Matthew Sullivan (Dec 10)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Stephen J. Wilcox (Dec 10)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Edward B. Dreger (Dec 10)
- <Possible follow-ups>
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Robert Bonomi (Dec 09)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Brandon Butterworth (Dec 10)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Robert Bonomi (Dec 10)
- Re: SMTP store and forward requires DSN for integrity (was Re:Clueless anti-virus ) Douglas Otis (Dec 09)