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A team-friendly Postmark alternative
Meet MailerSend, the Postmark alternative that empowers your entire team to collaborate on transactional email. Access a fast, intuitive UI, responsive templates, and award-winning customer support.
Built for collaboration
Enable users across all teams to log in from their own unique account to send bulk emails, validate email addresses, send SMS, and more while enjoying our fast, user-friendly UI.
Award-winning 24/7 customer support
MailerSend’s friendly customer service team is renowned for its world-class support. No matter which plan you’re on, 24/7 email/live chat support is just a click away so you’ll always get the help you need, when you need it.
Rich library of responsive templates
Choose from our professionally-designed templates and customize them to fit your brand design with the drag & drop email editor - no coding needed! Developers can then simply add the code from the template settings into your workflow.
Customizable user management
Effortlessly add, edit and manage users in the intuitive user management dashboard. Assign predefined roles or customize permissions for individual users’ access to each domain’s settings and analytics.
Reliable email validation tool
Upload your email list and get email verification results in minutes so you can improve deliverability and protect your sender reputation. Or, use the API to identify invalid emails in real-time.
Real-time delivery insights
Advanced email tracking empowers you to draw from real data about email delivery and make decisions without guesswork. Track performance, learn about reading environments, and identify sending issues as they happen.
Powerful API and SMTP relay
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);
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 emails
mailer = emails.NewEmail()
mail_body = {}
mail_from = {
"name": "Your Name",
"email": "your@domain.com",
}
recipients = [
{
"name": "Your Client",
"email": "your@client.com",
}
]
mailer.set_mail_from(mail_from, mail_body)
mailer.set_mail_to(recipients, mail_body)
mailer.set_subject("Hello!", mail_body)
mailer.set_html_content("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 = 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
Three ways to build awesome emails
With drag & drop, Rich Text and HTML editors, there’s an email builder for people of all technical abilities. Start with a template or build from scratch and allow other team members to collaborate.
Split testing made easy
Learn from your emails with split testing. Analyze which content, subject lines, images, and CTAs resonate the most with your recipients and tweak your emails to keep improving performance.
Customer text messaging
Create an omnichannel experience for customers by sending important updates via SMS and enabling 2-way conversations with inbound routing.
Powered by deliverability experts
Ensuring emails get delivered is our top priority. MailerSend is dedicated to protecting your sender reputation, reducing bounce rates and spam complaints, and increasing overall email deliverability. We’ll even monitor for blocklist activity.
iOS app for account management on the go
Download the MailerSend iOS app to access important account settings and activity wherever, whenever. View key performance metrics for all your domains, stop/start sending, and edit tracking options from your iOS device.
How MailerSend features compare with Postmark
50,000 emails/month | $35 | $55 |
Email API, SMTP relay, webhooks | ||
SMS API | ||
Inbound routing | ||
Bulk emailing | ||
Suppression management | ||
Email tracking & analytics | ||
Drag & drop template builder | ||
Rich text template editor | ||
HTML template editor | ||
Dedicated IP | Available for high-volume senders (Enterprise) | Available for high-volume senders |
Deliverability consultation | For Professional and Enterprise | |
Email verification | ||
iOS App | ||
24/7 email support | ||
Live chat support | ||
Multiple users | ||
User roles | 5 roles and custom options are available | 4 roles available |
Premium IP pool management | ||
∞ templates | 250 for Starter plans, ∞ for Professional and Enterprise | |
30-day data retention | 7 days on Starter and 30 days on Professional/Enterprise | 45 days |
How MailerSend prices compare with Postmark
3,000 emails/month | Free | $15 |
50,000 | $35 | $55 |
100,000 | $68 | $115 |
250,000 | $163 | $142.50 |
500,000 | $325 | $445 |
1,000,000 | $600 | $695 |
1,500,000 | $1,350 | $775 |
2,000,000 | $1600 | Custom |
3,000,000+ | $1,800 | Custom |
Annual discount | 20% | None |
Frequently Asked Questions
What support is available in case of issues?
All users enjoy friendly 24/7 support—our support team is renowned for its quick response times and detailed answers from real humans.
Starter, Professional and Enterprise users also get access to 24/7 live chat and priority support.
Can I get a dedicated IP?
We offer a dedicated IP add-on for high-volume senders on Enterprise plans. MailerSend is a robust email delivery platform, so no matter what you choose, you can count on us for optimal deliverability.
Curious about whether a dedicated IP address is right for your business? Get in touch.
How often do you roll out product enhancements?
At MailerSend, we’re constantly working on new features and functionality, as well as improving already existing features. We have ambitious plans and we’re very transparent about the direction MailerSend is heading in—you can count on us to always be a forward-thinking and innovative email service provider. Check out our roadmap for yourself.
Is the setup process complicated?
Our ultimate goal is to take the hassle out of using transactional email service, that’s why we’ve made it easy to set up and maintain.
We provide 7 SDK libraries (PHP, Laravel, Node.js, Golang, Python, Ruby, Java) along with clear, comprehensive documentation that is regularly updated. Developers can simply plug in our email API or SMTP relay and MailerSend will take care of the rest. There’s good news for low-coders too! We have an extensive library of integrations to easily connect your apps.
How will you make my transactional email campaigns 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 protected from unauthorized sendings and your sender reputation remains intact. With MailerSend, you’ll always get secure email delivery.
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Give MailerSend a try with a free account
Small business, enterprise or startup: Your whole team can quickly start working on transactional emails with no long-term commitments—start with 3,000 free emails per month, then pay as you go!
Send an email from the trial domain
Try out the features & check your activity