[Mimedefang] smtp spoofing

[Matthew.van.Eerde at hbinc.com]

Super-Dome wrote:
> Dear ALL
> 
> how can i disallow use of my domain from outside network using *From
> address of my domain .
> 
> help needed !
> 
> Regards
> 
> SD

Hmmm... you've never used the "Email this page to a friend" feature of a website to send yourself an email?

The SPF and Sender ID standards are set up to make sure such tools accurately identify their true sources... but nothing's written in stone yet.

-- 
Matthew.van.Eerde (at) hbinc.com                 805.964.4554 x902
Hispanic Business Inc./HireDiversity.com         Software Engineer
perl -e"map{y/a-z/l-za-k/;print}shift" "Jjhi pcdiwtg Ptga wprztg,"