Good Morning, Overnight in our logs, we are starting to see Microsoft spam like this:
Feb 5 12:19:28 my postfix/smtpd[1015436]: NOQUEUE: filter: RCPT from mail-mw2nam10acsn2106.outbound.protection.outlook.com[104.47.55.106]: <hello@email[.]bing[.]com>: Sender address triggers FILTER smtp-amavis:[127.0.0.1]:10024; from=<hello@email[.]bing[.]com> to=<johnny.taylor@<my_customer's_domain.net> proto=ESMTP helo=<NAM10-MW2-obe.outbound.protection.outlook.com> We have banned the Bing subdomain above. Hope that helps. Regards, Mark _________________________________________________________________ L. Mark Stone, Founder North America's Leading Zimbra VAR/BSP/Training Partner For Companies With Mission-Critical Email Needs _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
