A more scalable Mandrill alternative

Looking for a Mandrill alternative that’s easy to scale? Meet MailerSend: the transactional email service built for developers, designed for everyone—with advanced features, transparent pricing and award-winning customer support.


Expert deliverability, always

No matter which plan you choose, great email deliverability is guaranteed. Our dedicated team of deliverability experts takes care of managing sender reputation and blocklist activity, ensuring inbox placement and reducing bounce rates and spam complaints.

A customer support team that cares

MailerSend’s friendly customer service team is renowned for its award-winning support. Whether a Free or Premium user, your support requests are our top priority and will always get a timely response thanks to 24/7 email and live chat. Help is just a click away!

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

Built for growth

As your business grows MailerSend will be growing right alongside you. Our sending infrastructure is easily scalable while product development is non-stop, always bringing you the latest features to expand your business and enhance your transactional email.

Flexible options for developers

Developers can set up in minutes with their language of choice thanks to our 7 regularly updated SDK libraries. Simply 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);

Easy management of multiple domains

Effortlessly manage multiple clients or domains and enjoy separate dashboards for each to manage settings, suppressions, analytics and more. Customize the rights for each user so they only get access to the domains and analytics you choose.

Rich library of responsive templates

Find a responsive email template for every transactional email your business needs and make it your own! No coding needed—simply select a template and customize it to fit your brand design with the user-friendly drag & drop editor.

Inbuilt email validation

Improve deliverability and protect your sender reputation by cleaning your recipient list with the email verification tool. Identify catch-all, role-based, emails with typos and more.

Transactional text messaging

Reach more customers with the transactional SMS API to send high-volume, toll-free text messages. Encourage 2-way customer SMS conversations with inbound routing.

IP allowlist protection

Safeguard your account against unauthorized use and protect your domain reputation by only allowing recognized IP addresses access to the API and SMTP credentials.

What our customers have to say

Clear interface

After messing around with Mailchimp and walking away unhappy, it's been a godsend to come across Mailersend. The layout is extremely clear, it hooks up to Zapier, and the one issue I had was cleared up by support in minutes. Most importantly, everything's landing in inboxes.

Ricky B.

Outstanding support

MailerSend is extremely easy to use and super fast to set up. I was able to send the first email via the API in minutes. With the predefined templates and drag & drop editor you're able to do a real quick start. What's really worth mentioning is the outstanding customer support which replies in minutes.

Tobias R.

Powerful API

Excellent deliverability, instant sending, powerful API, complete email analytics, fast support and a great dashboard. It's straightforward to set up; I barely used the documentation. Also, their KYC process is flawless and quick; I was able to use the full features only a couple of hours after signing up.

Steffen S.

How MailerSend features compare to Mandrill

MailerSend has everything you need to set your transactional emails up for success, including intuitive multi-domain management, flexible options for developers, and a user-friendly interface for your marketing team to design beautiful, responsive emails.
MailerSend Mandrill
Standalone free tier
50,000 emails/month $30 $40 + $17 Mailchimp
Email API, SMTP relay, webhooks
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 high-volume senders
Deliverability consultation
Email verification
24/7 email support
Live chat support
Onboarding assistance
Multiple users 20 5
User roles 5 roles and custom options are available 5 roles
Premium IP pool management
Multiple domains
∞ templates 250 for Premium plans, ∞ for Enterprise
30-day retention 14 days on Premium and 30 days on Enterprise plan 30 days

How MailerSend prices compare to Mandrill

With MailerSend’s fair and transparent pricing, there’s no hidden costs or add-ons to get the features you need. Get started with 3,000 emails/month for free and upgrade at any time to save money on additional emails and get access to premium features.
MailerSend Mandrill
3,000 emails/month Free $20
50,000 $30 $40
100,000 $60 $80
250,000 $150 $200
500,000 $300 $400
750,000 $450 $540
1,000,000 $580 $720
1,500,000 $825 $960
2,000,000 $1100 $1,280
2,500,000 $1,375 $1,400
2,500,000+ Custom $1,680
Annual discount 20% None

Frequently Asked Questions

How will you support my business if I have issues with the service?

Thanks to 24/7 support, including live chat and priority support for Premium accounts, you’ll always get a timely response from our award-winning customer service team. 

Customer service is available to all users, free and premium, so you can be confident that you’ll get the support you need.

Can I purchase the service standalone or do I need to have an account for marketing email before rolling out transactional emails?

Unlike Mailchimp/Mandrill, MailerSend doesn’t require you to have an account with our email marketing product to use our transactional email service. There’s no vendor lock-in and we have flexible payment options to choose from so you only pay as much as you send.

Can I get a dedicated IP address?

Dedicated IPs are available to high-volume senders—if you’d like to know more about whether a dedicated IP is right for your business, get in touch.

Whatever you decide, with MailerSend, your deliverability is in the best hands.

How will you make my transactional emails secure?

We pride ourselves on providing an email delivery service built with the latest technologies on a secure email infrastructure. Our mail servers protect your email sendings with SPF, DKIM and DMARC so you’ll never need to worry about sender reputation or unauthorized sendings.

How often do you roll out product enhancements?

Our tech team is constantly working on new features and functionality. We have ambitious plans and we’re very transparent about the direction MailerSend is heading in. You can check out our roadmap for yourself.

Is the setup process complicated?

MailerSend is super simple to get started with. We provide clear, comprehensive documentation and 7 SDK libraries that are updated monthly. Developers can simply plug in our API or SMTP relay and MailerSend will do the rest.

What options are available for editing emails?

We make it easy for users of all technical abilities to design professional, responsive transactional emails. The Rich Text and drag & drop editors make it easy to customize templates and create designs from scratch without the need for coding. The HTML editor is available for users who prefer to use their own code.

Do you have any integrations?

We offer a variety of integrations including WooCommerce and WordPress. What’s more, you can integrate MailerSend with Zapier to connect with over 3,000 apps.

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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!