Contact Form Spam
Overview
Contact form spam occurs when automated bots or malicious users submit unwanted messages through website forms. This can overwhelm inboxes and disrupt business operations.
Common Causes
- Lack of CAPTCHA or spam filtering
- Publicly exposed form endpoints
- Weak validation or honeypot fields
- Bots targeting common form URLs
How the Problem Appears
- Large volume of spam emails from forms
- Nonsense or irrelevant submissions
- Repeated messages from the same IP addresses
How It Is Diagnosed
- Reviewing form submission logs
- Analyzing email headers and patterns
- Testing forms without spam protection
Typical Fix
- Add CAPTCHA (e.g., reCAPTCHA, Turnstile)
- Implement server-side validation and honeypots
- Block known spam IPs and user agents
- Use third-party spam filtering services