Slightly OT: Greylisting success or failure stories?

[Paul Howarth]

Aleksandar Milivojevic wrote:
> Paul Howarth wrote:
>> The traveling third party is, by definition, a roaming user. Not 
>> *your* roaming user, but a roaming user nonetheless. It's up to that 
>> user's organization to provide them with usable email connectivity.
> 
> 
> Not really.  It's up to the ISP to provide connecting user with usable 
> email connectivity.  User's original organization / company / network / 
> whatever that provides SMTP AUTH is an nice and usable extra feature, 
> not a requirement.

It's getting more desirable as time goes by. Firstly because of 
widespread blocking of regions/ISPs, and secondly because of 
sender-authentication schemes like SPF that work best with an SMTP AUTH 
arrangement.

Paul.