[IMGate] Re: HELO from viruses

[Les Bevan]

> it won't, as long as all of your legit machines send correct HELO, eg:
> 
> label.mlmuk.com
> 
> /(^mx1\.mlmuk\.com$)/ REJECT Illegal HELO hostname, "$1"
> 
thanks - i've put it place and hopefully that will stop a lot more crap.


Les.