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How to Set Up Auto Email Response on Form Submissions (2026 Guide)

Quick answer

To set up an auto email response on form submissions, open your form's settings, turn on Email autoresponder (Formester) or install a Google Forms add-on like Email Notifications, write the email body using merge tags for the respondent's name and answers, set the sender name and reply-to address, then test by submitting the form. The 3 steps below cover both Google Forms and Formester paths with screenshots.

Automated confirmations, receipts, and follow-ups triggered the moment someone submits your form.

To set up an auto email response on form submissions, open your form's settings, turn on Email autoresponder (Formester) or install a Google Forms add-on like Email Notifications, write the email body using merge tags for the respondent's name and answers, set the sender name and reply-to address, then test by submitting the form. The 3 steps below cover both Google Forms and Formester paths with screenshots.

The 3-step setup

Works for Formester (native), Google Forms (via add-on), or Apps Script.

  1. Open the form's settings and find the autoresponder

    In Formester: Settings → Email autoresponder. In Google Forms: install 'Email Notifications for Google Forms' from the Workspace Marketplace, then open the add-on settings.

  2. Write the email body with merge tags

    Compose the subject and body. Use merge tags like {{name}} and {{email}} to pull form values into the email. Example: 'Hi {{first_name}}, thanks for submitting!'

  3. Set the sender and test

    Set the From name, From email, and Reply-to address. Submit a test response. Check that the email arrives, the merge tags rendered, and the email didn't land in spam.

Sending emails manually takes time. However with Formester’s email autoresponder, you can send automatic replies to people who fill out your forms. This keeps them informed and improves their experience. In this guide, you’ll learn how to set up and use autoresponders easily.

Before you begin, it’s important to make sure your emails actually reach the inbox. If your domain isn’t properly authenticated, your messages might land in spam or get blocked. You can quickly check your setup using a EasyDMARC DMARC checker a free tool that helps validate your DMARC configuration and improve deliverability.

Set Up Your Autoresponder

Step 1: Create an Autoresponder in Formester

Go to Formester and log into your account. Choose the form where you want to add an autoresponder. Find the "Autoresponder" option in the settings and turn it on.

Step 2: Write Your Email Message

Keep your email clear and friendly. Use a simple subject line like "Thank you for your submission!" Start with a greeting, such as "Hi [Name]", and confirm the submission. You can also add extra details, such as the next steps or helpful links.

Step 3: Personalize with Merge Tags

Merge tags help you add personal details automatically. Instead of a generic message, you can say:

  • "Hi {{first_name}}, thanks for reaching out!"
  • "We received your request at {{email}}."

This makes your emails feel more personal and engaging.

Customize Your Autoresponder Settings

Set Triggers for Emails

Decide when the email should be sent. You can send it immediately after form submission or after a delay. For example, send a confirmation email one hour later to make it feel more personal.

Use Conditional Logic for Smarter Replies

You can send different emails based on answers in the form using conditional logic. For example, if someone selects "Business Inquiry," they get a different email than someone who chooses "Support Request."

Track and Improve Your Emails

Check your email performance by tracking open and click rates. If people don’t open your emails, try changing the subject line. A/B testing helps you find what works best.

Stay Compliant and Professional

Follow email rules like GDPR and CAN-SPAM by including an unsubscribe option. This ensures users can opt out if they no longer want emails. Additionally, ensure your email domain is properly authenticated by setting up SPF, DKIM, and DMARC records, tools like an SPF generator can help simplify this process.

Start Automating Today!

Signup to Formester to save time and improve communication. Set it up today and make your emails work for you, automatically!

The 3 methods compared

Pick by which form builder you use and how much customization you need.

Method 1

Google Forms add-on

Best for: Working in Google Forms with low volume


  • Free up to 20 emails/day
  • 5-minute setup
  • Works inside Workspace
  • Limited template control
  • Caps at 20 emails/day on free tier
  • No conditional routing
Method 2

Google Apps Script

Best for: Developers comfortable with code


  • Unlimited emails
  • Full template control
  • Custom conditional logic
  • Requires writing JavaScript
  • Quotas on emails per day per Workspace account
  • Harder to maintain
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