[managing-emails] All WPMUDEV mail goes to spam

I have a webmail forwarding address so that all email sent to [email protected] is forwarded to my webmail account @zanyprogressive.com. I didn’t realize until recently that I had not been getting any of the email you sent me because they were going to the spam folder of zanyprogressive.com after forwarding from progressivenewz.org. Where do I set up the filter to stop that from happening? I do find it strange that your webmail service would consider your emails spam, but I need to fix it. I already logged into webmail and marked them all as not spam, but emails from yesterday still went to spam when sent from WPMUDEV.