Re: Degree of adoption for Enhanced Reply Codes?

Dave Crocker writes:
> Alexey Melnikov wrote:
> > > I'm interested in getting a basic sense of how useful email 
> > > operators are finding the Enhanced SMTP reply codes.
> > Operators or SMTP server developers?
> Server developers do not actually *use* reply code information.  I'm 
> interested in utility.
On the IETF lists, people all seem to talk about 5xx errors, not 5.x.x errors.

Arnt