Send form emails with Mailgun

Connect your Mailgun account and deliver personalized form emails reliably. Confirmations, notifications, and auto-replies go out from your own domain — not a generic system address.

Read the setup guide Start free

✓ Native integration · ✓ Your own sending domain · ✓ Minutes to set up

Sent · Mailgun

Tojonas@verge.dev

Fromhello@yourcompany.com via Mailgun

SubjectThanks for your submission!

Hi Jonas,
We received your response — our team will get back to you shortly.

Delivered · just now

Email deliveredjust now · via Mailgun

Trusted by 56k+ teams worldwide

Why connect them

Email that comes from your brand

Route every form email through your Mailgun account for deliverability you control.

Branding

Your own from-address

Confirmations and replies are sent from your domain, so recipients recognize and trust every email.

Deliverability

Reliable delivery

Mailgun's sending infrastructure keeps your confirmations and alerts out of spam folders.

Automation

Hands-free follow-ups

Autoresponders and notification emails fire on every submission — no manual sending.

Scale

Built for volume

Handle high-volume campaigns and busy forms without hitting personal-mailbox limits.

How it works

Connect Mailgun in 3 steps

Set it up once from your dashboard — every form can use it after that.

Add a Custom SMTP integration

From your dashboard, open Integrations, find Custom SMTP, and click Add integration.

AllEmailPayment

Custom SMTP

Use your own email server for sending emails by configuring SMTP settings.

+ Add integration

Add your Mailgun SMTP account

In the Add SMTP Account modal, pick Mailgun as the service — the port and SMTP server fill in for you — then add your username, integration password, and from name and address.

Add SMTP Account

Select Smtp Service

Mailgun▾

Username

Enter Username

Integration Password

••••••••••••

SMTP Server

smtp.mailgun.org

From Address

hello@yourcompany.com

Add account

Use it in your form and test

Pick the integration in your form's email notifications, publish, and send a test submission to confirm delivery.

Test email delivered

Testimonials

"Formester is simple enough for non-developers and sophisticated enough for developers. I'd say being able to choose between simplicity and complexity …"

Costanza Casullo

Volunteer

"I was searching for a long time for a product I could use to send newsletters and surveys to my database. I tried so many different types of software …"

Deanna Bugalski

Founder/CEO

"I'm migrating my forms from Paperform, where I've been a user for over 4 years. Loving the software so far! I've already replaced Paperform form embed…"

Dr. Michele Ross

Founder

"Formester is really easy to use and an exceptional alternative for Typeform. We use it for call for papers, lead registrations, feedback and surveys a…"

Jilson

Organiser

"I really enjoy Formester. It’s clean and straight-forward and it does well, what it is supposed to do."

Thibaud Martinez

Organiser