Define "foreign". If I am in the U.S. then is Canada foreign? If I am in England is Germany foreign? About the only way is to have some default weight for all unlisted countries (possibly 0) and then add weights to all the ones you don't trust.
-Josh ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, March 18, 2002 5:51 PM Subject: RE: [Declude.JunkMail] Identifying countries > Adding weight for foreign email would be great. > > A country by country weight would be even better if there were a "default" > weight for foreign countries so we wouldn't have to set a weight for every > country. > > [EMAIL PROTECTED] > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]]On Behalf Of R. Scott Perry > > Sent: Monday, March 18, 2002 12:16 PM > > To: [EMAIL PROTECTED] > > Subject: [Declude.JunkMail] Identifying countries > > > > > > Several people have requested a way for Declude JunkMail to > > identify E-mail > > from certain countries that commonly send a lot of spam. We did not work > > on this in the past, as most companies can not block all E-mail from > > certain countries. However, with the weighting system, this may be a > > useful test. > > > > As those who follow the IMail Forum mailing list know, we are > > working on a > > way for Declude JunkMail to identify the country/countries that an E-mail > > travels through to reach its destination. Rather than rely on the host > > name of the sending mail server (which is often incorrect, or a .com > > domain), we wanted to find a way to determine the origin of the E-mail > > based on the IP address. We searched for a long time to find a way to do > > this, thinking it was nearly impossible, but have finally found a > > way to do > > it (without having our customers have to pay over $300/year for the > > IP/Country data). To see it in action, you can go to > > http://www.DNSstuff.com and use the Reverse DNS Lookup or IPWHOIS lookup, > > both of which will return the country the IP is located in. > > > > So, the question now becomes, what to do with this data? Right > > now, we are > > adding a "%COUNTRYCHAIN% variable that allows you to have a > > header such as > > "X-Country-Chain: Poland->China->Destination" (for an E-mail > > originating in > > Poland and routed through a mail server in China). > > > > I'm guessing the best use would be a way to have a weight set up for > > certain countries. For example, an E-mail from China or Korea may start > > off with a weight of 5, whereas an E-mail from Switzerland could > > start off > > with a weight of -2 (which would be useful for mail servers located in > > Switzerland, who likely do not get much spam directly from other > > mailservers in their country). Is there a better way to handle countries > > (such as adding an option for a blacklist, similar to the sender > > blacklists), or other ways the country information might be useful? > > -Scott > > > > --- > > [This E-mail was scanned for viruses by Declude Virus > (http://www.declude.com)] > > --- > > This E-mail came from the Declude.JunkMail mailing list. To > unsubscribe, just send an E-mail to [EMAIL PROTECTED], and > type "unsubscribe Declude.JunkMail". You can E-mail > [EMAIL PROTECTED] for assistance. You can visit our web > site at http://www.declude.com . > > --- > [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] > > --- > > This E-mail came from the Declude.JunkMail mailing list. To > unsubscribe, just send an E-mail to [EMAIL PROTECTED], and > type "unsubscribe Declude.JunkMail". You can E-mail > [EMAIL PROTECTED] for assistance. You can visit our web > site at http://www.declude.com . > --- [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] --- This E-mail came from the Declude.JunkMail mailing list. To unsubscribe, just send an E-mail to [EMAIL PROTECTED], and type "unsubscribe Declude.JunkMail". You can E-mail [EMAIL PROTECTED] for assistance. You can visit our web site at http://www.declude.com .
