It appears that Michael Peddemors via mailop <[email protected]> said: >Your systems are being abused right now by a well known attacker.. > >Sending email replay attacks, and your systems also generate back scatter.. > >First of all.. (And this goes to all email operators) only allow domains >in the MAIL FROM, that are actually served by your servers. > >Second, don't generate backscatter.. > >Notice you are on ATT's blacklist (or one of the lists they use already)
Is this from IPs for mail they think you want, or mail for spam their customers have sent? I gather that due to something in German law, it is much easier for them to route customer spam to different IPs that are all junk all the time rather than to discard or reject it themselves. R's, John _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
