A Quickhack
Hadmut Danisch <[email protected]> Sun, 26 Oct 2003 14:06:02 +0100
| Newsgroups | gmane.ietf.asrg.rmx |
|---|---|
| Message-ID | <[email protected]> |
As a disrespectful consequence of my last posting about the difference between authentication and authorization: We could cover the hole EHLO/HELO story by simply giving out this recommendation: When receiving a EHLO/HELO command, do an A query to the given parameter and abort if the response does not match the IP address. That's it, gentlemen, it's as simple. Hadmut