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MailerSend Reviews

& Product Details

What is MailerSend?

MailerSend is a cloud-based email system designed for developers that offers a wide range of options and tools. However, it is also intuitive and user-friendly, which means non-technical team members can also contribute to the process. With access to a drag-and-drop email builder and pre-designed templates, creating professional-looking emails is a breeze.

One of the most significant advantages of MailerSend is its ability to send transactional SMS text messages, which can be highly beneficial in various use cases. Additionally, MailerSend’s infrastructure is built for scalability, providing maximum security and deliverability with the right protocols. The infrastructure is also very flexible, allowing for easy integration with email API or using SMTP to track emails.

To improve deliverability, MailerSend offers dedicated IPs, which help ensure that high-volume emails are not blacklisted and are delivered effectively. The biggest benefit of using MailerSend is the time it saves. Manually configuring and sending transactional emails can be a time-consuming process, but MailerSend offers a streamlined solution that allows each team member to contribute to email management.

In summary, MailerSend is an email system designed to make email management a collaborative effort. Its smart features and user-friendly interface make it the perfect tool for both technical and non-technical users.

Best For

Send emails and SMS in minutes.
  • StartUps
  • Freelancers
  • Small Business
  • Medium Business
  • Large Enterprise
  • Non-profit Organization
  • Personal
  • Cloud, SaaS, Web-Based
  • Mobile - Android
  • Mobile - iPhone
  • Mobile - iPad
  • Desktop - Mac
  • Desktop - Windows
  • Desktop - Linux
  • Desktop - Chromebook
  • On-Premise - Windows
  • On-Premise - Linux
  • Company Name


  • Located In

    United States

  • Website

Starting from:

$25 /month

Pricing Model: Subscription

Pricing Details:

MailerSend has a Starter plan, which is free. The Premium plan starts at $25/month but increases depending on how many emails you send and the Enterprise plan, for which you need to contact them.

  • Campaign Management
  • Customizable Templates
  • Contact Database
  • Drag & Drop
  • Activity Dashboard
  • Real-Time Analytics
  • SMS Marketing
  • User Management
  • High-Volume Sending
  • Customer Segmentation
  • Automated Email Responses
  • Event Triggered Actions
  • List Management

Additional Features

  • Click Tracking
  • API
  • Email Tracking
  • Message Personalization
  • Dynamic Content
  • Simple Mail Transfer Protocol (SMTP)
  • Template Management
  • Third-Party Integrations
  • Email Management

Brevo (formerly Sendinblue)

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  • WooCommerce

    eCommerce Software

Tell us your opinion about MailerSend and help others.

MailerSend is a popular player in transactional email service providers. With excellently designed and well-documented APIs, developers can set up emails and automate them based on conditions. In addition, it offers excellent collaborative features as team members can create emails using responsive pre-built templates and content blocks.

It also ensures a high deliverability rate with suppression list management, inbound routing, and real-time analytics. In addition, MailerSend follows a freemium pricing plan and is ideal for any business that wants to utilize transactional email service to reach their customers, including eCommerce businesses.

What are transactional emails?

Before we start with our MailerSend, it is important to learn about transaction emails. By its name, you will get an idea that it is different from “normal” emails. So, what is it?

Transaction emails are one-to-one automated emails sent by a sender to a receipt(generally a business to a customer). The automation part means that it is triggered using certain parameters and conditions or even events defined by the business, the customer, or the service. Some examples of these conditions include:

  • Resetting the password
  • Making a purchase
  • Raising a ticket
  • Welcome emails when users register
  • Account notification
  • Event notifications, such as shipping

Transactional emails differ from marketing or promotional emails and are not listed under the “bulk” emails category. This makes transactional email more customizable according to the receiver and helps brands further use it for marketing needs. However, the core idea behind transactional email usage is functional rather than marketing.

Use cases for using transactional emails

  • Explicit requests
  • Account-related alerts
  • Summaries and digests
  • Receipts and confirmations
  • Support and feedback request

Transactional emails are important as they enable brands to inform customers about an action or event. However, this also means brands should not exploit it and go overboard by using it for excessive marketing.

The best transactional email practices include:

  • Customize the email and make it professional
  • Be enthusiastic in your approach
  • Remind them about new offers, but do not go overboard
  • Use it to upsell and cross-sell
  • Send it quickly, as the receiver might be waiting for it to refresh their inbox.
  • The best way to deal with transactional email is to use automation. And that’s where MailerSend comes in.

MailerSend Overview

MailerSend – Transactional email service

MailerSend is a popular transactional email service provider in the market. It helps businesses create, manage, and send contextual emails to their subscribers. This means you can manage your campaigns using their tools and create visually appealing emails for newsletter, transactional, and informational emails. Another MailerSend focus point is to increase engagement and boost open rates. Finally, MailerSend is an email-sending service that requires precise timing for email deliverability.

The team behind MailerSend is the same team behind MailerLite. They aim to build a world-leading email marketing solution. With over ten years of experience, they have created MailerSend, a complete email marketing solution that enables brands to send emails, whether they are in bulk or transactional. With MailerSend, developers can configure their emails for high deliverability using MailerSend’s intuitive API.

Apart from that, MailerSend also offers the ability to send transactional SMS for opt-in recipients. For businesses, MailerSend is a perfect tool to manage day-to-day email sending, including delivery updates, forgotten password links, and more!

Let’s explore more in our MailerSend review.

MailerSend Transactional Emails

The six core MailerSend principles that make it a great pick

  • Designed for everyone: With very less technical knowledge requirements, almost everyone from the team can get started with MailerSend, creating and sending emails.
  • Flexible infrastructure: MailerSend has a flexible infrastructure offering extensive scalability when needed. It is capable of handling millions of emails per day. Also, users need no intervention to scale the solution as it does it automatically.
  • Tools to personalize: With MailerSend, you can customize the emails according to dynamic templates, and they are automatically sent based on your personalization setting.
  • Dedicated to deliverability: MailerSend offers a high deliverability rate. This is possible because of continuous changes in new policies that affect the deliverability rate. In addition, the sending identity is protected using DMARC, DKIM, and SPF protocols to achieve high deliverability.
  • Real-time email analytics: You also learn how your emails are doing! You can set MailerSend to important KPIs such as click-through rates(CRTs), open rates, and so on!
  • Great support: MailerSend provides 24/7 support for their customers.

As for the plans, you get started for free with MailerSend. The free version offers 12,000 messages per month which is good enough for small businesses starting their online business. However, after a while, you need to move to paid options.

What is MailerSend

How do I use MailerSend?

MailerSend makes it very easy for its users to send emails. However, to get started, you first need to make sure that your domain is verified.

To send emails, you need to choose between API and SMTP. So let’s go through the process of each one of them below.

Sending emails using MailerSend API

Before you get started, make sure that you have verified the domain. Once done, follow the steps mentioned below.

  • Go to the Domains page.
  • From there, click Manage and then choose the domain.
  • Now, you need to create an API token.
  • Once the API token is created, go to Advanced Settings.
  • In Advanced Settings, you will get API instructions for different programming languages, including Python, Ruby, etc.
  • Now copy the cURL command and paste it into the terminal. This will send a POST request to the API, which will send the email.

For the above to happen, your account news has to be approved. To check the status, you need to go to the Activity tab.

How do I use MailerSend

Sending emails using SMTP

If you opt to use SMTP, then you need to follow the following steps:

  • First, go to the Domains page.
  • Select your preferred domain and click Manage
  • Now scroll to SMTP
  • From there, toggle “Send emails using SMTP servers.”
  • Once you do, you will get newly generated information, including Server, Port, Username, and Password.
  • Now you can enter all this information into your app or use a plugin.

Sending emails using SMTP

Details of MailerSend Features

MailerSend is one of the finest transactional email service providers. It has plenty of features, so you do not have to worry about transaction emails. The core features include a drag-and-drop editor that lets anyone get started with MailerSend, especially the team. For developers, they offer an extensible API and webhooks. Also, their server infrastructure is strong and can focus on scalability without your interventions. Let’s list the important MailerSend features below.

  • Easy-to-use email API

At MailerSend core, you get an easy-to-use email API solution. Developers can use the powerful RESTful API to send automated and customizable emails using MailerSend’s official library.

MailerSend offers detailed API documentation for all the major programming languages, including Python, Golang, Node.js, PHP, and Laravel Libraries, to make it easy. This means you can integrate MailerSend into your library stack without worrying about compatibility, customizability, and accessibility.

You can integrate the MailerSend solution into your apps using the email APIs using detailed API documentation. You also get access to other advanced features such as attachments and personalization.

For authentication, MailerSend uses tokens that let you manage your email sending in the best possible way. You can create as many tokens as possible for your different projects or use cases.
Moreover, the tokens are customizable and let you set permissions for extra security. This means you can grant full access to your account but also use custom access for better security and accessibility.

You can also use email APIs to safeguard your sending domain. For example, MailerSend utilizes DKIM, DMARC, and SPF security protocols to secure the sender’s identity and reputation, which improves the emails’ deliverability.

When summarized, you get the following:

  • Easy integration with the API documentation.
  • Works with different programming languages, including Python, PHP, etc.
  • Detailed API documentation.
  • Access to advanced features, including attachments and personalization
  • Easy token authentication.
  • Customizable token permissions.
  • Easily safeguard your domain using DMARC, DKIM, and SPF security protocols.
  • High deliverability rate.

  • SMTP Service: Fast and Reliable

MailerSend supports the Simple Mail Transfer Protocol(SMTP). It is a popular protocol that enables exchange between servers. This means businesses can use SMTP servers without needing to manage them and can send transactional or bulk emails using a trusted third party.

The MailerSend SMTP server is both self-managed and scalable, ensuring that email deliverability is optimized. This is made possible by using authenticated domain names and clean IP addresses. To ensure that your campaign has a high deliverability rate, MailerSend deploys experts to manage and monitor the process. Additionally, the SMTP server is highly reliable in sending transactional emails on time.

Another thing that makes MailerSend SMTP service excellent is its user-friendliness. The team can use the SMTP service from any device, app, or email client. To use it, the user must enter the SMTP server name, username, password, and port – and that’s it! Under the hood, you can manage SMTP’s different approved domains.

Lastly, SMTP servers track the sent emails and update the dashboard in real-time. Here, you can find reports specific to your domains. So, if you have multiple domains, then you can generate reports for each one of them. Currently, it tracks information such as clicks, unsubscribes, bounces, etc.

SMTP Service Fast and Reliable

  • Dynamic email templates

Transactional emails are more personal than other types of emails. This means you need to customize each email according to the receiver. MailerSend, with its Dynamic email templates, enables brands to use only a single email template to create a customizable approach for each customer and build a good relationship with them.

This is possible because the template can adjust on the fly and personalize in real-time based on the recipient.

So, you are creating dynamic email content without needing to work around the clock. In short, you do not have to write a copy for each recipient, as you can use the single template that takes in dynamic data to personalize it before sending. As a result, you can see better customer engagement.

The collection of dynamic email templates is also excellent. You can choose to work on the template yourself or invite your team members to collaborate on the design. To work with templates, you do not need any coding, as you can use the built-in drag-and-drop builder to drag and drop content blocks. If you know to code, you can always edit the code using the HTML email template editor.

In summary, you get the following with Dynamic email templates:

  • Tons of dynamic email templates to choose from
  • Supports collaboration to edit the templates
  • Easily drag and drop content blocks using their drag-and-drop builder
  • Customize one template and deploy it to use dynamic data for personalization

Dynamic email templates

  • WebHooks

You can use real-time email webhooks to get notified of any transactional events. They are configurable in every sense. You can get started by connecting endpoints and mentioning the events you want to track. Once done, you will get an automated response back to your dashboard.

You can also configure the webhooks to receive instant push updates by listing for email events rather than waiting for API polling to complete. Moreover, you can also protect the webhook URLs from any malicious activity. Apart from that, you can also create a custom dashboard to analyze the events and trigger workflows based on it! Lastly, you can also review your webhook history and see how they perform. The webhook history lasts seven days.

In summary, here you get:

  • Support for real-time email webhooks
  • Highly configurable
  • Track events based on your needs
  • Get automated response directly to your dashboard
  • Create a custom dashboard to analyze events
  • Create workflows based on the data
  • Protect webhooks URLs from any malicious activity

  • Advanced Email Tracking

MailerSend has a big emphasis on email tracking. Tracking every metric gives you a complete insight into how your emails perform. Under this knowledge, you can remove any guesswork and use the information to improve your email campaign’s success and its ROI.

The metrics are separated by domain. And you can monitor different email interactions and metrics, including delivered, rejected, and processed emails. You can also monitor locations and open rates.

To ensure improved deliverability, you can design your emails to match how they render in popular email clients such as Microsoft Outlook and Gmail. Lastly, you can choose a custom tracking link for your subdomain, allowing you to build domain trust and track it, improving email deliverability and sending reputation.

In summary, you can do the following:

  • Domain separated metrics
  • Complete insight on email metrics
  • Improved email campaign success
  • Create emails according to popular email clients

  • Multiple Domains

In Mailersend, you do not have to worry if you have multiple domains. Instead, you can set up and track each one of your domains – giving you complete freedom and flexibility while managing your projects or your client’s projects.

You can set up projects quickly from the intuitive dashboard by creating domain endpoints for automated workflows. You can also add, edit, or delete domains using the process. The divided domain approach also means keeping each project’s settings, metrics, and data separate.

Another aspect that MailerSend takes care of is the domain reputation. It uses multiple methods to ensure that, including deploying security algorithms.

When summarized, you get:

  • Easily manage different domains under the same dashboard
  • Complete freedom to manage as many domains as possible
  • Setup domains quickly
  • Improve domain security

  • Suppression List Management

Next comes Suppression List Management. This is where you find global rejected emails and run checks on them. So, you can run proper checks on why the emails are not delivered or get bounced. You can also understand if the receivers are leaving your mailing list. You can comply with international email compliance and honor laws such as the CAN-SPAM Act and GDPR.

Also, you can remove undelivered emails from your email list and improve your email deliverability rate.

  • Drag and Drop Template Builder

Even though MailerSend is known for its email APIs aimed at developers, it is also very user-friendly, thanks to its drag-and-drop template builder. It enables team members to take part in the process and create professional transaction emails without the need to play with email APIs.

To help with the process, you get pre-built templates. These responsive templates offer highly customizable elements, including images, fonts, colors, and logos. In addition, the templates can be customized for different use cases. So, you can design the emails to look at email clients such as Outlook and Gmail.

At its core, you get content blocks. They are building blocks and let you add exciting ideas and content to your email, including blog posts or dynamic content. It also lets you track changes in your design to ensure easy editing and execution. You can always revert to the older version if something goes wrong. Also, there is no limit on the times you can update your template.

In summary, using the drag and drop builder, you get:

  • Manage all templates from one place
  • Unlimited editing
  • Revision control
  • Easily track changes and revert when needed
  • Content blocks for easy editing
  • Supports custom designs
  • Comes with responsive pre-built templates

Drag and Drop Template Builder

  • Custom HTML template editor

You will love MalierSend’s custom HTML template builder if you are a developer. It lets you create your email template using the HTML editor. You can create responsive designs that match your requirements and brand identity here.

Generally, it is always a faster way to work with the editor as it offers key features such as syntax highlighting, error tagging, and auto-completing tags. It also lets you see your email’s looks by previewing it in real-time.

Moreover, you can also get started quickly as it comes with pre-built code, which comes pre-loaded with MailerSend’s API code. So all you need to do is choose your preferred programming language and then start editing the template.

In summary, with MailerSend’s custom template editor, you get:

  • A single place to manage all your template
  • Comes with pre-built code
  • Offers real-time preview
  • Edit your HTML email template anytime
  • Specialized functionality such as auto-completing tags, error tagging, and syntax highlighting.

  • Rich-text email editor

There is one more editor you get with MailerSend. It is a Rich-text email editor. It offers you a space where you can edit your email like you are writing an email. For example, you can add email signatures, bullet points, links, and so on.

It offers great feasibility for people who are comfortable with a text editor. Like an HTML template editor, you can also manage versions and revert to the previous one if something goes wrong.

  • Inbound Routing

With inbound routing, you can relax and let MailerSend manage your emails. By using it, MailerSend will manage the emails, including parsing them and integrating them into your preferred application. The routing can help you route emails correctly and create meaningful conversations. Moreover, you can also redirect emails to a custom inbound domain. For example, you can route your support emails to a support domain for better organization.

The routing method lets you create inbound email rules that filter emails based on headers, domain, or email addresses. The emails can also be forwarded.

Inbound Routing

  • Real-time analytics

MailerSend lets you see real-time analytics for your emails. You can learn how your email campaign performs and take action directly with a real-time feed. First, you can check the status of the emails based on the date range, subject line, and recipient. Next, you can inspect email message activity, including clicks, unsubscribes, and opens. Finally, you can learn the recipient’s behavior through the proper email history.

Real time analytics

  • Advanced email analytics

If you want more details on how your emails perform, then you need to use MailerSend’s advanced email analytics.

With advanced email analytics, you can do the following:

  • Real-time analytics to learn about important KPIs.
  • Remove emails that are not performing and keep your email list clean
  • Understand how your users interact with email
  • Identity the receiver’s location
  • Create visual reports and share them with the team

  • Account Management

MailerSend also has an excellent emphasis on management. You can do proper user and file management directly from the dashboard using the intuitive yet advanced user management system.

In user management, you can do the following:

  • Assign team member roles to control their permission based on domains.
  • Manage team members
  • Create custom roles for special users
  • Secure access and authentication by setting up 2FA

The file management solution features include:

  • Centralized file management system
  • Supports uploading of videos, images, documents, and so on
  • Organize folders and files by naming them or moving them
  • Supports file imports, including images, GIFs, and PDFs.
  • Email Verification Tool

MailerSend email verification service lets you verify emails for their validity. This helps you to reduce bounce rates and improve email performance.

The key Email Verification tools features include:

  • Bulk email address verification
  • Use multiple checks to do advanced verification
  • Minimize sending emails to fake emails
  • Verify emails in real-time

Account Management

MailerSend Pricing details

MailerSend uses fair yet straightforward pricing. It uses generous pay-for-what-you-need pricing, which means you need to pay for exactly what you are using — nothing less and nothing more.

The three plans include:

  • Free: 12,000 emails; after that, $1.00 per 1000 emails.
  • Premium: $25 per month, 50,000 emails, 100 SMS. After exceeding the limit, $0.9 per 1000 emails and $1.40 per 100 SMS.
  • Enterprise: Custom pricing; contact them to know more.

All of the plans come with a 99.5% guaranteed uptime SLA. However, the Free version lacks live chat support, onboarding assistance, and dedicated IP.

MailerSend Review Conclusion

MailerSend is a top-notch transaction email service provider that lets brands and businesses send timely transaction emails to their customers. Developers will find themselves at home as they utilize their well-documented email APIs.

Apart from that, the team members can contribute to the process using MailerSend drag and drop builder and the predestined in-built templates and content blocks. With high personalization, deliverability, and the ability to always stay on top of analytics, you can optimize your campaigns to bring the best possible return on investment (ROI).

Lastly, you also get great support if you ever feel stuck. So, overall the MailerSend package is strong and offers great business value. I highly recommend it to brands looking for a transactional email service for their business.

Is MailerSend any good?

Yes, it is good! You can set up proper transactional emails, including emails that contain commercial transactions, order confirmation, or just updates on an event. In addition, MailerSend servers are scalable and send emails instantly, as is required for transactional emails. So, with MailerSend, you can handle your email campaigns and interact with your receivers competently.


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