How can I add a weight to this email message? ---------------------------------------------------------------------- Received: from airip2.emailvalues.com [65.60.9.93] by mx2.cooking.com (SMTPD32-7.07) id AC6A688008A; Tue, 08 Jul 2003 12:32:58 -0700
The REVDNS hostname is 93.9.60.65.in-addr.arpa, Yes, they have a RDNS entry but it does not match the HELO hostname or is a legitimate value. I would like to add a value when this happens. As more spammers realize that they have to create a RDNS entry we need to have a way to verify that it is a correct value.
The problem is determining whether or not it is a correct value. For example, our mailserver has a reverse DNS entry that doesn't correspond to any of the domains that we send from. Even if it did, would the HELO/EHLO our mailserver sends have to be the same for all domains, just so that it will match the reverse DNS entry? It gets difficult doing matching like this, unfortunately.
Should I start a private blacklist? I am trying to keep this low maintenance.
That may be the best thing to do here. I'm guessing that this is an E-mail that resulted from the address being supplied to a company without checking the "Do not send me any partner offers" box. This type of E-mail can technically be considered solicited, which makes it unlikely that their IP will get listed in many spam databases. For this type of E-mail, you often have to create your own blacklist (or unsubscribe, which often works for this type of E-mail).
-Scott
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