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Reliable SMTP2GO alternative that’s easy to scale

Meet MailerSend, the SMTP2GO alternative you can easily scale as your business grows without compromising on deliverability and reliability.

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.
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
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

Flexible plans & pricing

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?
How many emails do you plan to send?
3K
Pricing in Euros and British Pounds is for informational purposes only. All billing invoices will be charged in US dollars.
Best value
Professional

For agencies and white-label resellers sending at scale

$88.00 /month
$1,056.00 billed yearly
81.12 /month
€973.39 billed yearly
£68.23 /month
£818.79 billed yearly
$110.00 /month 101.39 /month £85.29 /month
50,000 emails /month
150 SMS /month
400 email verification credits
Extra usage
$0.90 0.90 £0.90 /1,000 emails
$1.40 1.40 £1.40 /100 SMS
Best value
Starter

For growing startups and small businesses

$28.00 /month
$336.00 billed yearly
25.81 /month
€309.71 billed yearly
£21.71 /month
£260.53 billed yearly
$35.00 /month 32.26 /month £27.14 /month
50,000 emails /month
100 SMS /month
100 email verification credits
Extra usage
$0.90 0.90 £0.90 /1,000 emails
$1.40 1.40 £1.40 /100 SMS
Best value
Hobby

For personal projects and side hustles

$ 5.60 /month
$67.20 billed yearly
5.15 /month
€61.83 billed yearly
£4.43 /month
£53.18 billed yearly
$7.00 /month 6.44 /month £5.53 /month
5,000 emails /month
100 email verification credits
Extra usage
$1.50 1.50 £1.50 /1,000 emails
Free

For occasional email testing and sending

Get started for free — includes:
  • 500 emails /month
  • 10 email verification credits
  • Email threads support
  • Drag & Drop email builder
*Learn more about plan limits.   |   Taxes may apply, learn more.
MailerSend

Deliverability that holds up at scale

MailerSend doesn’t just get your emails sent; it gets them delivered. Our precision-engineered infrastructure, built-in authentication, and continuous reputation monitoring keep placement high as your volume scales. 

MailerSend

Reliability you can build on

Your password resets and order confirmations are only as reliable as the platform behind them. MailerSend is built for consistent sending, with a 100% uptime track record, 99.5% uptime SLA, and always-transparent system status.

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.
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

Build workflows around every event

Use Webhooks for 22 types of events, including delivered, bounced, deferred, and spam complaints, to push data straight to your endpoints in real time.

MailerSend

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 forwards the content into your application.

More integrations for a seamless setup

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

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.

MailerSend

Built-in email split testing

No extra tooling needed:use a/b 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.

Award-winning customer support

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

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

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.

MailerSend

Go beyond email with multichannel messaging

Reach more recipients across the entire customer lifecycle with high-volume, toll-free SMS (USA & Canada) and global WhatsApp business messaging (coming soon).

MailerSend

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.

MailerSend

Manage transactional emails with your AI tool

Connect Claude, VSCode, Cursor, ChatGPT or Gemini to your MailerSend account with our hosted email MCP. Manage domains, send emails, create API tokens, and more.

How MailerSend prices compare to SMTP2GO

Get started with a Free plan and 500 emails per month. With our straightforward pricing plans, you can affordably get the features and email sending volume you need and scale as your business grows.
MailerSend
5,000 emails/month $7
10,000 emails/month $14.50 $15
50,000 $35 $30
100,000 $68 $75
250,000 $162.50 $170
500,000 $325 $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
API daily requests limit 100,000 No fixed limit
SMS API
Email Marketing SSO
Inbound routing
Bulk email
Suppression list management
Hosted MCP Third-party
Email split testing
Email activity export
Drag & drop template builder
Rich text template editor
HTML template editor
Dedicated IP address Available for high-volume senders Available for high-volume senders
Deliverability consultation For Professional and Enterprise
IP allowlist
DMARC reporting
Blocklist monitoring
iOS app
Email verification
Slack integration
24/7 email support
Live chat support Available for Starter, Professional and Enterprise
Multiple users
User roles 4 roles and custom user 3 roles
Multiple domains

Frequently Asked Questions

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. You can find information about MailerSend’s rate limits in our documentation

Does MailerSend offer a free plan for testing and small projects?

Yes, you can sign up to MailerSend for free and send your first email in minutes with a trial plan and domain. You can then subscribe to the Free plan to get 500 emails/month or upgrade for as little as $7 for more volume and features.

Is there a limit on the number of domains I can add to my account?

Hobby plans can add up to 1 domain, Starter plans have 10 domains included and can purchase additional domains for $4 per domain/month. Professional plans have unlimited domains included.

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.

Can my non-technical team members edit email templates without touching code?

Yes, our drag & drop and rich text builders are designed for no-code template building. 

Does MailerSend support transactional SMS alongside email?

Yes, transactional SMS is currently available for businesses in the USA and Canada.