= /span> Sincerely, Gayle Carr Human Resources Generalist 161 N. Clark, Suite 2800, Chicago, IL, 60601 Received-SPF: Pass (protection.outlook.com: domain of domain123.nl. Come trovare intestazioni di posta elettronica e codice sorgente The anti-spoofing technology of Microsoft basically evaluates this kind of forgery made from 'from: header'. Adventures with MTA-STS - Thomas Pike's other blog Mail not received by BT Internet users (Google Groups) You must send the claim/service to the correct payer/contractor. not hide the reason and told my parents about you. The Project Honey Pot system has detected behavior from the IP address consistent with that of a mail server and dictionary attacker. The attackers abused an Adobe Campaign redirection mechanism, using a Samsung . Is DKIM/ARC working properly on my Mailman server? header.from=groups.io;compauth=pass reason=109 The smtp.mailfrom it is showing you is the domain specified in the MAIL FROM command in the SMTP transaction when Groups.io's outbound server connected to your inbound server (aka the "envelope From"). Next, we need to tell Exim to send our mail to the relay. Messages get SCL-1, Spam Filtering Verdict SKN, IPV:NLI, BCL 0, spf=pass, compauth=pass reason=109 even dkim=pass (signature was verified) and so on, all looks good. In all Microsoft 365 organizations, EOP uses these standards to verify inbound email: SPF. As 90% of cyber-attacks start with a phishing campaign, Office 365 is an attractive target for threat actors who work to evade the continuously introduced security solutions. Sender and recipient domains have been changed from their originals, but the . DMARC is not an issue—adding groups.io to my SPF record is not required. Part of mail header (redacted): Authentication-Results: spf=pass (sender IP is 185.XXX.XXX.XXX . smtp.mailfrom=mail01.domain1.com; live.com.ar; dkim=pass (signature was verified) header.d=domain2.com;live.com.ar; dmarc=bestguesspass action=none header.from=domain2.com;compauth=pass reason=109 Received-SPF: Pass (protection.outlook.com: domain . Anti-spam message headers - Office 365 | Microsoft Docs
