On Tuesday 23 April 2002 18:41, Mark Olliver wrote: > Hi all > can anyone think of a rule which check's if mail is coming from a valid > domain? & or block mail from certain users/ domains. > also can we create iptables rules to block mail with certain messages, or > can't we see this at the packet level
Hello Mark, To answer your last question, no, you can't do it properly at the packet level. It's better to use an application proxy, which in your case would be an SMTP proxy. Have a nice day, Fabrice. -- Fabrice MARIE Senior R&D Engineer Celestix Networks http://www.celestix.com/ "Silly hacker, root is for administrators" -Unknown
