Arvid Picciani wrote: > > We block them at MTA level using subject matching and > http://www.backscatterer.org/ > Although we block _all_ NDAs, and only whitelist some that are > explicitly requested by $boss. May or may not suit your needs. > I'll have a look into this, thanks for the hint.
Daniel -- View this message in context: http://old.nabble.com/Is-there-a-way-to-block-%22invalid%22-non-delivery-notifications--tp29032307p29034463.html Sent from the SpamAssassin - Users mailing list archive at Nabble.com.
