Re: SMTP addresses in <>

[Joe Provo <nanog-post () rsuc gweep net>]

On Fri, Jan 04, 2008 at 07:51:15AM -0800, Seth Mattinen wrote:
[snip]
> Our mail servers reject connections that don't follow the RFC. Am I 
> wrong to do this? This guy certainly thinks so, even after I've cited 
> the RFC and appropriate section, his arguments is "even hotmail does not 
> keep up the standards" and if we ignore them as well. Hotmail at least 
> follows this rule... am I wrong to require the brackets?

"The" RFC is amusing WRT email. In this case, you are ignoring 3464,
section 2 "Format of a Delivery Status Notification", viz:

   Whenever an SMTP transaction is used to send a DSN, the MAIL FROM
   command MUST use a NULL return address, i.e., "MAIL FROM:<>".
 
Cheers,

Joe

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