Well, can't you have a valid mail domain that only has an MX record (and no A record), which points to a server in another domain (with an A record)?
/Roger >>If I understand this correctly, the drawback with this work-around, >>compared with the MAILFROM test, is that it only looks up the A record and >>doesn't check for any MX records. > >True. It's designed to work with the MAILFROM test. The MAILFROM test >works properly, and works with most TLDs. The VERISCAM test works just >with .com and .net domains. The MX record test is not necessary with the >VERISCAM test (if the A record is 64.94.110.11, the domain doesn't exist, >and therefore can't have an MX record). > >>Any idea if this will cause a number of false positives? > >Only for domains that point to sitefinder.verisign.com -- but if that is >the case, they probably aren't a domain that you would want mail from. :) > --- [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". The archives can be found at http://www.mail-archive.com.
