An SMTP2GO alternative that’s easy to scale

Meet MailerSend, the SMTP2GO alternative you can scale as your business grows without breaking the bank. Enjoy advanced features, powerful integrations, and award-winning customer support.

Excellent deliverability, powerful API, complete analytics and fast support. They have a great dashboard with a vast amount of valuable data. The API is very fast to accept emails, delivery is almost instantaneous.
Steffen S. Small-business Owner, Software Company
Best support!

Very good product for Transactional Emails. Integration with our business was easy using their SMTP relay service. Their support is the best—they usually answer within 1 hour and are very helpful.
Pablo V. Publishing, Computer Programmer
Easy to scale.

Super easy to use API for devs and mail templating for designers. We can easily send professionally designed emails and we don't need to wonder if emails will be delivered. It’s super easy to scale as well.
Raphael A. CTO, Small-Business

Flexible plans & pricing

Need more sending volume or have your eye on a Premium feature? MailerSend’s flexible pricing and straightforward plans make it easy to get started, no matter the size of your business.
How many emails do you plan to send?
Save 20% by paying yearly
Pricing in Euros and British Pounds is for informational purposes only. All billing invoices will be charged in US dollars.
3,000 emails
Extra usage:
$1.00 1.00 £1.00 /1000 emails
$ / month, billed yearly
Monthly price x 12 =
/ month, billed yearly
Monthly price x 12 =
£ / month, billed yearly
Monthly price x 12 =
$25 / month 25 / month £25 / month
50,000 emails
100 SMS
100 email verification credits
Extra usage:
$0.90 0.90 £0.90 /1000 emails
$1.40 1.40 £1.40 /100 SMS
Sign up FREE
Upgrade anytime
For large organisations with special requirements.

Three ways to build professional emails

The drag & drop, rich-text and HTML email builders make it easy for designers of all abilities. Pre-built content blocks allow for effortless insertion of surveys, dynamic tables and more.

Easy integration with a powerful API

Add transactional email delivery to your stack in minutes with MailerSend’s simple and robust email API. Choose from 7 official SDKs to get started and use our comprehensive API reference and documentation.
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

Advanced inbound email routing

Enable 2-way conversations with customers and add advanced functionality to your app or website with inbound routing. MailerSend receives emails on your behalf and integrates the content to your application.


Secure, fast, reliable email delivery

With 13+ years of email deliverability experience, we know what it takes to reach the inbox. Enjoy better email delivery with our premium IPs, reputation monitoring, and powerful sending infrastructure.


Easily connect other web apps with MailerSend so they seamlessly work together to share information, automate workflows and enhance your customer experience.

45+ ready-made transactional email templates

Get a head start with our growing gallery of professionally designed, responsive email templates. Easily customize the design and content of your chosen templates in the drag & drop editor.


Straightforward email split testing

Don’t just set a template and forget it. Use split testing to test up to 5 variants of the same template and learn which content, subject lines and CTAs perform the best to improve results.


Built-in email verification

Effortlessly identify invalid email addresses in your recipient list and add them to your suppressions to reduce bounces, improve deliverability, and maintain a healthy sender reputation.

Award-winning customer support

Our friendly, knowledgeable support team is available 24/7 via email (all plans) and live chat (Premium) to help you with getting started, advanced features, troubleshooting, and technical issues.

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

High-volume SMS sending

Don’t limit your transactional messaging to email. MailerSend’s transactional SMS API allows you to start sending high-volume, personalized SMS in minutes and converse with customers using inbound routes.


In-depth analytics and activity tracking

Gain valuable insights into account performance and monitor key metrics via custom reports and in real-time. Plus, use webhooks and events to integrate data into your other apps.


One account, multiple platforms

Use SSO to connect MailerSend and MailerLite and manage marketing and transactional emails under one account. Keep all sending activity separate and benefit from better deliverability, reporting and compliance.

How MailerSend prices compare to SMTP2GO

Get started with a Free plan and 3,000 emails per month absolutely free. With our straightforward pricing plans, you can affordably get the features and email sending volume you need and scale as your business grows.
MailerSend SMTP2GO
3,000 emails/month Free Free for 1000 emails
50,000 $30
100,000 $60 $75
250,000 $150 $170
500,000 $240 $280

How MailerSend features compare to SMTP2GO

MailerSend has everything you need to easily create professional emails, send reliably and maximize the performance of your transactional messaging.
MailerSend SMTP2GO
Email API, SMTP relay, webhooks
API daily requests limit 100,000 No fixed limit
Email Marketing SSO
Inbound routing
Bulk email
Suppression list management
Email tracking & analytics
Email split testing
Email activity export
Drag & drop template builder
Rich text template editor
HTML template editor
Premium IP pool management
Dedicated IP address Available for high-volume senders Available for high-volume senders
Deliverability consultation
IP allowlist
iOS app
Email verification
Slack integration
24/7 email support
Live chat support Available for Premium and Enterprise plans
Onboarding assistance
Multiple users
User roles 5 roles and custom options are available 3 roles
Multiple domains

Frequently Asked Questions

Is SMTP2GO free?

SMTP2GO offers a free version that includes 1,000 emails per month. MailerSend also offers a free version that includes 3,000 emails per month and additional features.

How do I send an email with MailerSend?

The first step is to create an account and then verify a domain. You’ll then need to plug in your domain’s SMTP credentials, or generate an API token to start sending emails. Read our guide to find more information on how to start sending emails with MailerSend.

What are the limitations of SMTP2GO?

Although SMTP2GO has no fixed API limit, restrictions may be placed on an ad-hoc basis if SMTP2GO decides that too many requests are being sent or there is an excessive amount of errors.

Is MailerSend secure?

Yes, MailerSend is a secure email service provider that uses the most up-to-date security standards and best practices to ensure our service and users are safe. Data communications between the client and our application are protected via encrypted data channels HTTPS/TLS (Hyper Text Transfer Protocol Secure/Transport Layer Security) protocol. Learn more in our security statement.

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Give MailerSend a try with a free account

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 and no tricks up our sleeve—start with 3,000 free emails per month, then pay as you go!

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