What other plugins and theme do you use on the site?
facebook for WooCommerce
jetpack by WordPress.com
loginizer
mailchimp
MOJO marketplace
Site Kit by Google
WooCommerce
Test jQuery
WPBakery PageBuilder
WP File Manager
I have exactly the same problem with our contact form since two days. Before there was one year not a problem and I do not have activated any new plugin.
https://leonietanner.com/kontakt/
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This reply was modified 3 years, 6 months ago by affekopf.
+1.
As of yesterday morning, my contact forms across multiple sites, hosted with several different companies, have stopped working on Chrome. The problem seems to be with recaptcha, as there is an error message about it at the bottom of the sites. (Full details already posted to help forum).
We had the same problem for two days. We installed an SMTP plugin and deactivated the 2 factor authentication for the sending e-mail and it started to work again.
kamil1312, which smptp plugin did you use that helped?