I'm not sure but it looks like some spam messages can collect some points because the part before the @ of sender- and recipients adress are the same.
If this test can exclude some of the most used email-names (info@, sales@, ...) I think this can be a good test. 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.