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 .
