Since updating to ME Pro 9.54 there is a huge delay in email delivery and suddenly numerous blocked emails that were never blocked prior.
I've done several tests sending from and email address to the same email address and the delay in delivery since the update instead of taking seconds now takes 5-10 minutes.
Also, emails from clients that I previously had no issue receiving are suddenly not getting through.
Items that were previously not grey listed are suddenly being delayed or blocked completely.
Why is this happening and how do I fix this?
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