Replied offline. From: mailop <mailop-boun...@mailop.org> on behalf of Chris Truitt via mailop <mailop@mailop.org> Date: Wednesday, June 28, 2023 at 12:11 PM To: Dave Smith via mailop <mailop@mailop.org> Subject: [mailop] Mimecast Adimin Probation Block - 74.203.49.59 Hi Dave,
We're getting a Mimecast Admin Probation Block. The Mimecast spam checking appears to be clicking every link. This has inadvertently caused an uptick in Unsubscribes. smtp;550 Administrative prohibition - envelope blocked - https://community.mimecast.com/docs/DOC-1369#550 [2TjxbsUyNyGkZn1qelpfdQ.uk8]. Sending IP: 74.203.49.59 While the SMTP error on the Mimecast site indicates an issue with the SPF record, our tests prooves this to be false. Are you the appropriate contact to help me with this? If not would you mind pointing me in the right direction? Thanks in advance, Chris Truitt
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