MailerLite Signup Form Not Working

How to fix it

Try these in order — the most common fix is first.

1. 1. Turn the form on

   Copy steps
   1. Open Forms and click the form's Overview
   2. Switch the Status toggle to active
   Did this fix it? Yes No

2. 2. Assign a group

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   1. On the form Overview open Edit groups in the Groups section
   2. Select at least one group, otherwise no subscribers are added
   Did this fix it? Yes No

3. 3. Fix the confirmation email

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   1. Open the Double opt-in tab then the Confirmation email tab
   2. Check the Sender row has a valid address and click Edit if not
   3. Repair any variables with spaces or wrong brackets
   Did this fix it? Yes No

4. 4. Test correctly

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   1. Use address+1@yourdomain.com style variants to test several signups
   2. Remember unconfirmed contacts only become active after clicking the link
   3. On the Free plan check the banner for exceeded limits, which block activating or editing forms
   Did this fix it? Yes No

Symptoms

Visitors submit the form but no subscriber appears, a pop-up never shows, or the confirmation email never arrives.

Why it happens

• Pop-up or promotional form is switched off
• No group assigned to the form
• Double opt-in leaves subscribers Unconfirmed
• No valid sender address on the confirmation email
• Broken variables in the confirmation email
• Free plan restricted because limits were exceeded

This guide also covers

• mailerlite form not working
• mailerlite confirmation email not received
• mailerlite popup not showing
• mailerlite subscribers not added

Other MailerLite errors

• MailerLite Account Not Approved
• MailerLite Account Suspended or Under Review
• MailerLite Emails Going to Spam
• MailerLite Domain Authentication Failed
• MailerLite Automation Not Sending
• MailerLite Free Plan Sending Paused (Over 250 Subscribers)
• MailerLite Can't Log In
• How to Cancel MailerLite Subscription