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I am a trying to help a friend with their website that I did not set up for them. I have a basic knowledge of WordPress but admit I am not an expert.
On their contact page, there is a Ninja Forms contact form. When it’s filled out completely and the Submit button is clicked, the button changes to Processing and eventually the action times out. However the request form is logged in the Ninja Forms under Submissions though the website’s owner never gets an email copy of the request info. I have gone through the form’s settings and everything appears to be correct there so I’ve tried to used 2 different contact form plug-ins and got the same result (I did deactivate the other plug-ins while I tested each form). I even tried tweaking the settings to not include the reCAPTCHA and this did not work either. I checked all the obvious things like updates for the plug-ins but still can’t get the contact form to work correctly.
My best guess is that something in the WP Mail SMTP settings is wrong. I’ve checked everything over and the settings look right to me but I tried the Email Test option multiple times and keep getting an error message 504 Bad Gateway. Does anyone have a clue to what’s going on? Thanks!