For a short time we receive several hundreds of non delivery notifications and other failure notices on one of our mailboxes. Most of them look very similar, containing Cyrillic charset and .ru addresses. Are there any special rules that are able to identify this kind of spam? As our company is small sized, we use a site wide Bayes which scores this mails negative (I’m not really sure, but I guess it does because sometimes we send a newsletter to a couple of customers, so receiving a (“real”) ndr from time to time is nothing special.
I don’t know how to convert ndr to plain text so I paste one of those failure notices: http://pastebin.com/X9ewhwG4 Daniel -- View this message in context: http://old.nabble.com/Is-there-a-way-to-block-%22invalid%22-non-delivery-notifications--tp29032307p29032307.html Sent from the SpamAssassin - Users mailing list archive at Nabble.com.
