> When I travel, I have to use mail.earthlink > .net as my SMTP server. > Some airlines send out reservation confirmations > from servers that are not theirs.
For sure it will create false positives - as many other tests. For example the SPAMDOMAIN test if a user uses the mailserver of his current ISP but a freemailer address like @yahoo.com as sender address. I think that far more spam will fail such an integrity check then some few legit messages. So it should be a good test in a weighting system. It's not the goal to hold if such an integrity test will fail. Simply add some points. All information needed to determine the integrity is already here. No additional NS lookups, heavy processing, large files or databases. The same test can also give a negative weight if domain or tld of MAILFROM, REVDNS, HELO/EHLO and maybe also the Country-chain show a certain integrity. Markus --- [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.
