“This message is spam” message is appearing on every email submissions

Replies: 0

We rely on contact form 7 to receive conference registrations and send confirmation emails. However, in both instances, this verbiage is always stated at the bottom of these emails. This behavior started ever since updating the plugin to the latest version.

CleanTalk AntiSpam: This message is spam.
CleanTalk's anti-spam database:
IP: <a href="https://cleantalk.org/blacklists/174.206.14.151?utm_source=newsletter&utm_medium=email&utm_campaign=cf7_spam_passed" target="_blank">174.206.14.151</a>
Email: <a href="https://cleantalk.org/blacklists/thomas.hyunsoo.choi@gmail.com?utm_source=newsletter&utm_medium=email&utm_campaign=cf7_spam_passed" target="_blank">thomas.hyunsoo.choi@gmail.com</a>
Activate protection in your <a href="https://cleantalk.org/my/?cp_mode=antispam&utm_source=newsletter&utm_medium=email&utm_campaign=cf7_activate_antispam" target="_blank">Anti-Spam Dashboard</a>.

Please refer to this link for the screenshot.

I look forward to your quick response.