Just how static is that IP address?
Brian Chabot
brian at datasquire.net
Mon Jul 3 16:47:00 EDT 2006
Ted Roche wrote:
> Here are my questions: how do the big email services distinguish
> dynamic from static IPs? Is there a great big list somewhere listing
> the 256^4-2 addresses? Is there a way I can determine if the address
> I get is "really" static (if there is such a thing) or should I just
> try to set up a email server and see if I can get through to
> dad at aol.com?
Here's the all-in-one answer: They use one or more of several
blacklists like these:
http://njabl.org/dynablock.html
http://www.mail-abuse.com/enduserinfo_dul.html
http://rbl.kropka.net/info.php?lang=en
You can look up an IP on a LOT of blacklists at
http://www.dnsstuff.com/tools/ip4r.ch?ip=
Brian
More information about the gnhlug-discuss
mailing list