Hello @Patv7525 ,
Which specific clients are you having issues delivering your test sends to? All of the tests to my Outlook 2013 client are going through for your latest email, so I'm trying to figure out if it's something specific to the version of Outlook you're using or to your network not allowing the tests through.
Have you checked to make sure our domains are safelisted in your network, or looked into setting up self-authentication? It'd likely be worth speaking directly with Deliverability, to see if they can offer any specialized insight and troubleshooting for your issue.
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