So, you’re trying to sign up for Cursor, excited to dive into its AI-powered coding features, only to hit a wall: "This email is not available." Ugh. Been there, done that. Let’s break down why this happens and how to solve it without pulling your hair out.
Why Does This Error Happen?
- Email Already Registered: The most obvious reason—someone (maybe even past you) used that email before.
- Domain Restrictions: Some platforms block "disposable" or shared email domains to prevent spam.
- Temporary Email Flagging: Services like Cursor often reject temporary email addresses for security reasons.
Fixes That Actually Work
1. Double-Check Your Email Address
Start simple: Typos happen to the best of us. Did you write gmail.con instead of .com? Does your email have underscores or dots that might confuse the system? Fix any errors and try again.
2. Reset the Password (If You Think It’s Yours)
If you suspect the email should be yours, use the "Forgot Password" option. If Cursor sends a reset link, great—you just reclaimed your account. If not, the email isn’t tied to an existing account, so move to step 3.
3. Contact Support (Politely!)
If you’re certain your email isn’t registered, politely ask Cursor’s support team to investigate. Include details like:
- The exact error message
- Screenshots (if possible)
- Any alternate emails you’ve tried Most teams resolve these issues within 24–48 hours.
4. Use a Professional Email Domain
Here’s where things get interesting. If you’re repeatedly seeing this error (especially with generic domains like Gmail or Outlook), the platform might flag your email provider. This is common for users who need multiple accounts for testing, team workflows, or side projects.
Pro Tip:
Consider using a custom domain email (e.g., you@yourdomain.com). Not only does this look more professional, but it also gives you full control. For example, I use GetMX Domain Email to create unlimited aliases like cursor@mydomain.com or project1@mydomain.com under one inbox. It’s way more reliable than temporary emails, and platforms like Cursor rarely block custom domains.
Final Thoughts
The "This email is not available" error is frustrating but fixable. Start with basic troubleshooting, then escalate to support if needed. For developers or power users managing multiple accounts, investing in a custom domain email saves time and avoids future headaches.
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