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  1. S

    Mail bouncing due to SPF errors

    I'm using Panel 11.0.9 and QMail. I have one client in particular who is getting mail returned with either one of 2 following bounce messages: 1. MTA p3plsmtpout003.prod.phx3.secureserver.net received this response from the destination host IP - 216.69.186.201 - 550 , 5.7.1 SPF unauthorized...
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