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A Mailgun Alternative you can count on

Meet MailerSend, a secure and customer-friendly alternative to Mailgun that’s built for reliable email delivery and effortless collaboration between developers and teams.

MailerSend
MailerSend

Reliable delivery from day one

Designed with deliverability at its core, MailerSend combines a powerful sending infrastructure, proactive abuse prevention, and strategic IP pooling to safeguard your reputation.

Fast, responsive customer support

We won’t leave you in the dark. Whether you need help with your account, getting started, or troubleshooting a technical issue, our support team is quick to respond and happy to assist.

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

Easy email API integration in your favorite language

Built for a better developer experience — 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.
curl -X POST \
https://api.mailersend.com/v1/email \
    -H 'Content-Type: application/json' \
    -H 'X-Requested-With: XMLHttpRequest' \
    -H 'Authorization: Bearer {place your token here without brackets}' \
    -d '{
        "from": {
            "email": "your@email.com"
        },
            "to": [
        {
            "email": "your@client.com"
        }
        ],
        "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.com', 'Your Client'),
];

$emailParams = (new EmailParams())
->setFrom('your@email.com')
->setFromName('Your Name')
->setRecipients($recipients)
->setSubject('Subject')
->setHtml('

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('you@client.com')->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.com", "Your Client")];

const emailParams = new EmailParams()
    .setFrom("your@email.com")
    .setFromName("Your Name")
    .setRecipients(recipients)
    .setSubject("Subject")
    .setHtml("

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 (
    "context"
    "fmt"
    "time"

    "github.com/mailersend/mailersend-go"
)

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: "your@email.com", } recipients := []mailersend.Recipient{ { Name: "Your Client", Email: "your@client.com", }, } variables := []mailersend.Variables{ { Email: "your@client.com", 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 MailerSendClient, EmailBuilder

ms = MailerSendClient()

email = (EmailBuilder()
         .from_email("sender@domain.com", "Your Name")
         .to_many([{"email": "recipient@domain.com", "name": "Recipient"}])
         .subject("Hello from MailerSend!")
         .html("

Hello World!

") .text("Hello World!") .build()) response = ms.emails.send(email)
require "mailersend-ruby"

# Intialize the email class
ms_email = Mailersend::Email.new

# Add parameters
ms_email.add_recipients("email" => "your@client.com", "name" => "Your Client")
ms_email.add_recipients("email" => "your@client.com", "name" => "Your Client")
ms_email.add_from("email" => "your@domain.com", "name" => "Your Name")
ms_email.add_subject("Hello!")
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
ms_email.send
MailerSend

One account to manage all your brands or clients

Agency or multi-brand organization—handle all your brands or clients with multiple domains and sender identities. Keep domain settings separate and filter data for custom, client-specific reports.

MailerSend

Three powerful email builders

Build from scratch with the HTML builder, go simple with the Rich-text editor, or effortlessly design professional dynamic templates with 90+ pre-built blocks with the Drag & drop builder. 

Rich library of responsive templates

Save time on template creation by taking your pick from our library of professionally-designed transactional email templates. Select a template and customize the design and content to fit your brand.

Examples of email templates.
MailerSend

Detailed logs for easier debugging

Inspect request and response data, endpoints, IP addresses and more for every API and SMTP call. Template error logs record Twig errors and point you to the exact line of code to fix.

MailerSend

Advanced analytics and activity tracking

Track real-time email events in the activity dashboard and create custom analytics reports with the powerful filtering function. Easily export reports at the click of a button.

MailerSend

Instant notifications with webhooks

Receive real-time notifications about email events to monitor activity, trigger workflows, and share data across applications. Get information for over 15 webhook events.

Connect your favorite tools

Use our native integrations to easily connect MailerSend with your existing apps and platforms to seamlessly share information, automate workflows, and optimize your systems.
MailerSend

Hosted MCP for real-time context

Connect an AI tool with the MailerSend MCP in just a few clicks for live data access. Make API calls with natural language prompts to analyze deliverability, configure your account, and build workflows. 

MailerSend

SMS sending at scale

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

MailerSend

Connect MailerSend & MailerLite accounts

Keep your email marketing and transactional emails under one account. Connect via SSO for super easy access while keeping sending activity and settings separate.

@MailerSend has the best dev experience of any transactional email I'ver ever used. It generates the code, including personalization syntax, to send your templates...

Highly recommend 👏
Will Gardner @WillGardner9
In the jungle of transactional email services, I just tried @MailerSend as an alternative to Mailgun and Postmark, that I’ve previously used. Very good first impressions! Slick UI/UX.
Patrik Engborg @patrikengborg
@MailerSend and @MailerLite have by far been the easiest to configure with @bubble leveraging the API Connector. Sending beautiful transactional emails for @SpaceDesk4 now.
Neil Pierce @NoCodeNeil

See for yourself why MailerSend is trusted by developers worldwide

Sign up free and start sending in minutes with a trial domain. Ready for real-world sending? Get 500 free emails/month or upgrade for as little as $7/month for more volume and features. 

How MailerSend prices compare to Mailgun

Here’s how MailerSend and Mailgun pricing compares. For this comparison, we included the cheapest plan options for the number of emails. MailerSend Starter and Professional plans also include a number of SMS messages in addition to the included email quota.
MailerSend
5,000 emails/month $7 (Hobby)
10,000 $13 (Hobby) $15 (Basic)
50,000 $35 (Starter) $35 (Foundation)
100,000 $68 (Starter) $75 (Foundation)
250,000 $162.50 (Starter) $215 (Scale)
500,000 $375 (Starter) $400 (Scale)
1,000,000 $800 (Starter) $700 (Scale)
Annual discount 10%
Extra usage From $1.20/1,000 emails From $1.80/1,000 emails

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
50,000 emails/month MailerSend Starter / Mailgun Foundation $35 $35
Annual discount 10%
Email API, SMTP relay, webhooks
SMS API
Email Marketing SSO
Inbound routing
Bulk emailing
Blocklist monitoring With Optimize add-on
Suppression management
Email tracking & analytics
Hosted MCP server Self-hosted
Drag & drop template builder
Rich text template editor
HTML template editor
Split testing
Dedicated IP Available for high-volume senders Available for high-volume senders
Email verification
24/7 email support
Live chat support
Multiple users
User roles 5+ custom role 5

Frequently Asked Questions

Is MailerSend right for my business?

Our email sending service caters to all types of businesses, from small, developer-led projects to small businesses, e-commerce, agencies, SaaS, and more. Simple yet flexible user management lets you 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 as it allows multiple teams to collaborate and manage several projects. It’s also useful for agencies that wish to add several clients to their account and manage their emails from one place with multiple domains and sender identities.

Can I get a dedicated IP address?

Dedicated IPs are available for high-volume senders with Enterprise accounts, but rest assured, whatever you choose, your email 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?

MailerSend’s email platform offers multiple options to help every type of business get started quickly with sending transactional messages: SMTP, integrations, and email API with 7 SDKs that are updated monthly.

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

Free plans have limited access to support, while Hobby plans can benefit from 24/7 email support, and Starter plans and above can access live chat support. Our support team is in constant contact with users, monitoring accounts for any issues and working together to fix them.

Starter, Professional and Enterprise plan users get priority support as well as a chat option.

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.