Re: We need an IETF BCP for GREY LISTING

> So, if the server says 'retry in 1 hour', and the client retries every 5 
> minutes, that's no crisis, just a wasted bit of effort for the client 
> and the server. ....
Since the number of MTAs vastly exceeds the number of greylisters,
don't you think it would be better for greylisters to work with the
existing retry schedules that MTAs use than to try to persuade a
million MTAs to implement a new feature that is of at best marginal
use to them?

R's,
John