I looked for any cases of MSGID_MULTIPLE_AT logged as spam yesterday. We log if it scores 7.0 or higher. A message from a legit company called Mathworks had this Message-ID, as logged by sendmail:
msgid=<SEMA-CR-1-434274887@<[EMAIL PROTECTED]>> That hit INVALID_MSGID and MSGID_MULTIPLE_AT. My reading of RFC 2822 is that the < and > and @ are not allowed in the RHS. I don't know what software produced this. It was sent to many recipients, so I think it was a mass mailing product. I don't have the message itself. Joseph Brennan Lead Email Systems Engineer Columbia University Information Technology
