spf-discuss
[Top] [All Lists]

lookups by macro expansion

2003-10-27 10:23:26
On Mon, Oct 27, 2003 at 10:19:38AM -0500, Philip Gladstone wrote:
| 
| An alternative approach might be to have a macro scheme -- e.g.    
| lookup:%ri.%ru.%d    and if this returns an address then the allow is 
| taken (where %ri is reversed %i and %ru is reversed %u). The issue here 
| is what to do when the lookup string gets too long........
| 
| This might subsume a bunch of other methods: rhs, localpart, the 
| whitelist rhs.....
| 
| This mechanism also allows me to implement arbitrarily complex rules on 
| the server side with a custom DNS server.
| 

Hm, that's a really smart idea.  What do other people think?

-------
Sender Permitted From: http://spf.pobox.com/
Archives at http://archives.listbox.com/spf-discuss/current/
Latest draft at http://spf.pobox.com/draft-mengwong-spf-02.txt
To unsubscribe, change your address, or temporarily deactivate your 
subscription, 
please go to 
http://v2.listbox.com/member/?listname(_at_)©#«Mo\¯HÝÜîU;±¤Ö¤Íµø?¡