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Hello @ilyyy

Hope you are doing well today.

I can see some security error in your page console logs when trying to submit the form, it seems you have a security plugin that added CORS policy: No ‘Access-Control-Allow-Origin’ header.

This is too restricted and is causing issues with load of assets and sending Ajax requests. You need to disable it.
If you don’t have any security plugin that can add security headers, it might be related to your hosting and I would suggest contacting them.

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Best Regards
Amin

Hello @ilyyy,

In order to find out which plugin might be the culprit, you can run a plugin conflict test, which involves disabling 3rd-party plugins, and testing if the issue persists: https://wpmudev.com/docs/getting-started/getting-support/#conflict-test

There’s Enable CORS plugin which you can test for overriding the header:
https://ww.wp.xz.cn/plugins/enable-cors/

Another potential cause might be your server security settings, which you can verify with your hosting support – send them a screenshot provided by Amin, displaying in browser console.

Hope this helps. Please let us know if you need any further assistance.

Best Regards,
Dmytro

Hi @ilyyy ,

I hope you’re doing well.

I’m afraid it’s not possible for us what exactly is generating those policies, as mentioned by Dmytro, it could be a server setting or a plugin itself.

You can reach your hosting support/server admin to confirm if it’s set on the server end.

If it’s not, then it could be related to a security plugin, and you could need to deactivate any security plugin that you have on your site for a moment while testing to confirm which one is.

Note that SMTP is a Sending Mail Protocol; it doesn’t generate those security headers mentioned.

I hope this helps.
Best Regards,
Williams Valerio