Sure you will get it - but there's also spam through various webmail services, spam through the outbounds of different ISPs etc that you won't prevent with your approach.
On Tue, Sep 4, 2012 at 3:54 PM, Ibrahim <[email protected]> wrote: > > We create special NAT that all destination use TCP port 25 will be NATed to > one public IP address only. And this public IP address is registered on most > of RBLs. But we are still receiving complaint about spammer from this public > IP address :-) -- Suresh Ramasubramanian ([email protected])
