Hi

You say "messages to this list" so I presume the problem is that the messages are being resent from the lopsa.org Mailman MTA, presenting your sender address. Your SPF not unsurprisingly doesn't include the lopsa.org Mailman server lopsa-sb1.lopsa.org 64.34.197.29

https://en.wikipedia.org/wiki/Sender_Policy_Framework#FAIL_and_forwarding

Kind regards
Jonathan.

On 07/12/16 11:46, Edward Ned Harvey (lopser) wrote:

Does anyone know why my posts to this list say "This sender failed our fraud detection checks and may not be who they appear to be?"

I use Office365, and I've confirmed that my SPF settings are set correctly. Not sure what else to check.



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Jonathan Crompton

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