ReCaptcha v2 for Contact Form 7的作者是IQComputing，目前有100,000+个有效安装。已经Tested with 5.4.1版本的wordpress。
Contact Form 7 v5.1 dropped support for reCaptcha v2 along with the [recaptcha] tag December 2018. This plugin brings that functionality back from Contact Form 7 5.0.5 and re-adds the [recaptcha] tag.
If this plugin is installed before updating Contact Form 7 from v5.0.5 to v5.1.1 then it will carry over your old API keys. At that point you will just need to head to this plugins settings page to tell the website to use reCaptcha v2.
Once installed and configured it should be the same reCaptcha functionality you are used to in previous versions of Contact Form 7.
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