mobile user strawman argument

Wed Jun 29 10:17:27 UTC 2005

On 29/06/05, Mike Leber <mleber at he.net> wrote:
> 
> I'm seeing alot of arguments in the form of "I have mobile users and they
> aren't going to be able to send email if you use injection IP mail
> filtering approach X"  (where X is SPF, MX+, or what have you); which take
> the same form as the arguments people made against closing open relays.
> 

So, try to authorize the sending host rather than the path (mail from
/ sender etc)

You neatly work around that problem