Is there a limit to the number of emails I can send using SMTP over Cloudflare Tunnel?

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Grade: Education Subject: Support
Is there a limit to the number of emails I can send using SMTP over Cloudflare Tunnel?
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Cloudflare doesn't impose strict email sending limits for Tunnels. However, your SMTP server's configuration and your email provider's policies (if applicable) will dictate sending limits. Excessive sending may trigger rate limiting or account suspension.