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Re: We need an IETF BCP for GREY LISTING

2011-10-12 13:30:35

On Oct 12, 2011, at 10:49 AM, Dave CROCKER wrote:

On 10/12/2011 10:36 AM, Murray S. Kucherawy wrote:
Having thought about this a bit, I can't see any problem with a BCP or
even with the server saying 'try again in 5 minutes' (or whatever)

You're blurring the line between two things though.  One of the things we're 
talking about, the BCP, documents existing, established, or even recommended 
practice.  The other one is an SMTP extension.  As far as I know, a BCP 
can't create an extension, so we're really talking about two different 
efforts here.

The extension produces a potentially useful optimization, but there seems to 
be a lot less interest in doing that work than there is for doing the BCP. 
It's not clear this is a major pain point that's worth the significant 
effort of producing a standards track extension and then expecting industry 
to begin adopting it.

+1 on all points.


I think there are people who'd be interested in doing the work for the 
extension if it were brought to their attention. I'm interested enough to at 
least put an individual draft together for people to kick around. There are 
people for whom it's a serious pain point, and one that could be mitigated 
right now with pretty narrow server-side adoption.