Flexible Mailgun alternative

Meet MailerSend, a secure and user-friendly alternative to Mailgun that empowers your entire team to work together on transactional emails with more advanced features, flexibility and award-winning customer support.


Built for businesses of all sizes

MailerSend is easy to scale and affordably priced whether you send a thousand emails or a million. Send up to 3,000 emails/month absolutely free.


Powered by email deliverability experts

Our experienced team is dedicated to improving email delivery rates while reducing bounce rates. We also monitor your sending reputation for maximum deliverability whether you use a shared or dedicated IP.


Single sign-on with MailerLite

Keep your marketing and transactional emails under one roof for super easy access, while keeping sending activity and settings separate by connecting your MailerSend and MailerLite accounts via SSO.

Award-winning customer support

MailerSend’s friendly and knowledgeable customer service team is just a click away! Available for all plans, get help with setting up and using advanced features, and benefit from ongoing monitoring and communication of your account.

93% satisfaction rate
100% response rate
24/7 support hours

Fast, user-friendly interface

Team members with different skill sets can easily complete tasks thanks to the intuitive navigation menu and powerful processing performance.

Easy setup in your favorite language

A dream come true for developers—get started in minutes with our regularly updated SDK libraries. Plug-in our API or SMTP relay to your app and our secure sending infrastructure will do the rest.
Read our API docs
curl -X POST \ \
    -H 'Content-Type: application/json' \
    -H 'X-Requested-With: XMLHttpRequest' \
    -H 'Authorization: Bearer {place your token here without brackets}' \
    -d '{
        "from": {
            "email": ""
            "to": [
            "email": ""
        "subject": "Hello from MailerSend!",
        "text": "Greetings from the team, you got this message through MailerSend.",
        "html": "

Greetings from the team, you got this message through MailerSend.

" }'
use MailerSend\MailerSend;
use MailerSend\Helpers\Builder\Recipient;
use MailerSend\Helpers\Builder\EmailParams;

$mailersend = new MailerSend(['api_key' => 'key']);

$recipients = [
new Recipient('', 'Your Client'),

$emailParams = (new EmailParams())
->setFromName('Your Name')

Greetings from the team, you got this message through MailerSend.

') ->setText('Greetings from the team, you got this message through MailerSend.'); $mailersend->email->send($emailParams);
php artisan make:mail ExampleEmail

Mail::to('')->send(new ExampleEmail());
const Recipient = require("mailersend").Recipient;
const EmailParams = require("mailersend").EmailParams;
const MailerSend = require("mailersend");

const mailersend = new MailerSend({
    api_key: "key",

const recipients = [new Recipient("", "Your Client")];

const emailParams = new EmailParams()
    .setFromName("Your Name")

Greetings from the team, you got this message through MailerSend.

") .setText("Greetings from the team, you got this message through MailerSend."); mailersend.send(emailParams);
package main

import (


var APIKey string = "Api Key Here"

func main() {
    ms := mailersend.NewMailersend(APIKey)

    ctx := context.Background()
    ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
    defer cancel()

    subject := "Subject"
    text := "Greetings from the team, you got this message through MailerSend."
    html := "

Greetings from the team, you got this message through MailerSend.

" from := mailersend.From{ Name: "Your Name", Email: "", } recipients := []mailersend.Recipient{ { Name: "Your Client", Email: "", }, } variables := []mailersend.Variables{ { Email: "", Substitutions: []mailersend.Substitution{ { Var: "foo", Value: "bar", }, }, }, } tags := []string{"foo", "bar"} message := ms.NewMessage() message.SetFrom(from) message.SetRecipients(recipients) message.SetSubject(subject) message.SetHTML(html) message.SetText(text) message.SetSubstitutions(variables) message.SetTags(tags) res, _ := ms.Send(ctx, message) fmt.Printf(res.Header.Get("X-Message-Id")) }
from mailersend import emails

mailer = emails.NewEmail()

mail_body = {}

mail_from = {
    "name": "Your Name",
    "email": "",

recipients = [
        "name": "Your Client",
        "email": "",

mailer.set_mail_from(mail_from, mail_body)
mailer.set_mail_to(recipients, mail_body)
mailer.set_subject("Hello!", mail_body)

Greetings from the team, you got this message through MailerSend.

", mail_body) mailer.set_plaintext_content("Greetings from the team, you got this message through MailerSend.", mail_body) mailer.send(mail_body)
require "mailersend-ruby"

# Intialize the email class
ms_email =

# Add parameters
ms_email.add_recipients("email" => "", "name" => "Your Client")
ms_email.add_recipients("email" => "", "name" => "Your Client")
ms_email.add_from("email" => "", "name" => "Your Name")
ms_email.add_text("Greetings from the team, you got this message through MailerSend.")
ms_email.add_html("Greetings from the team, you got this message through MailerSend.")

# Send the email

Rich library of responsive templates

Get the whole team involved with our library of professionally-designed templates. Select a template and make it your own with the drag & drop or Rich Text editors—no code needed.


Secure, reliable and fast SMTP servers

MailerSend’s powerful sending infrastructure is optimized to send transactional emails at scale, so your recipient’s receive your important messages when they need them.


Transactional SMS in minutes

Quickly start sending personalized text messages with the simple yet powerful SMS API. And enjoy inbound routing for 2-way SMS communication with customers.


Secure IP allowlist

Create a list of recognized IP addresses to secure your account against unauthorized use and protect your domain reputation by limiting access to the API and SMTP credentials.

Don’t just take our word for it.
Here's what our customers think

How MailerSend prices compare to Mailgun

Get started with 3,000 emails/month and a forever free plan at MailerSend—if you need more emails, you’ll only pay for what you send. At any time, you can upgrade to a premium plan where you’ll save money, access live chat support and get premium features.
MailerSend Mailgun
3,000 emails/month Free
50,000 $30 $35
100,000 $60 $75
250,000 $150 $200
500,000 $300 $355
750,000 $450 $500
1,000,000 $580 $650
1,500,000 $825 Custom
2,000,000 $1100 Custom
2,500,000 $1,375 $1,250
Annual discount 20% None

How MailerSend features compare to Mailgun

MailerSend has everything you need to set your transactional email up for success, including flexible role-based users, low/no-code options for whole team contribution and beautifully designed responsive templates.
MailerSend Mailgun
50,000 emails/month $30 $35
Email API, SMTP relay, webhooks
Email Marketing SSO
Inbound routing
Bulk emailing
Suppression management
Email tracking & analytics
Drag & drop template builder
Rich text template editor
HTML template editor
IP pool management
Dedicated IP Available for high-volume senders Available for 100k plans and above
Deliverability consultation
Email verification
24/7 email support
Live chat support
Onboarding assistance
Multiple users
User roles 5 roles and custom options are available 5 roles available
Multiple Domains
Templates 250 for Premium plans, ∞ for Enterprise
Data retention 14 days on premium and 30 days on enterprise plan 7 days on premium plan

Frequently Asked Questions

Is MailerSend right for my business?

Our email sending service caters to all types of businesses with simple yet flexible user management. You can easily customize each user role by granting access to only the parts of the service you want to make available. 

This is super handy for businesses allowing multiple teams to collaborate, managing multiple projects, and agencies that wish to add several clients to their account.

How will you support my business in case I have issues?

Our support team is available 24/7 for all of our users. They are in constant contact with users, monitoring accounts for any issues and working together to fix them.

Premium plan users get priority support as well as a chat option.

Can I get a dedicated IP address?

Dedicated IPs are available for high-volume senders, but rest assured, whatever you choose, your deliverability is our highest priority. Reach out to our sales team to discuss if a dedicated IP is the right fit for your business!

How easy is it to set up sendings?

At MailerSend, we offer multiple options to help every type of business get started quickly: SMTP, integrations, and email API with 7 SDKs that are updated monthly.

What options do you offer for editing emails?

Our user-friendly builders ensure that all members of your team can contribute to editing your emails. The natively responsive rich text email editor and drag and drop builder allow users to create professional templates without the need for coding, while the HTML email editor offers added flexibility for those wanting to write their own code.

How will you make my transactional emails secure?

In addition to our secure email infrastructure, our mail servers protect your email sendings with SPF, DKIM and DMARC security protocols. You can be confident that your sending domain is safe from unauthorized sendings and your sender reputation remains intact.

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Join MailerSend now for free

Whether you’re a small business, enterprise or startup, your whole team can quickly start working on transactional emails.. There are no long-term commitments, so everyone can try it for themselves. Start with 3,000 free emails per month, then pay as you go!

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