List of Free Transactional Email Software in June 2025

Showing 1-17 out of 17

List of the Best Transactional Email Software For Free as of June 2025

9.8

Spot Score

Mailgun

Seamless email automation with Mailgun.

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4.3

(381)

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Product Description

Mailgun is the transactional email platform that offers developers a complete API for sending, receiving, and tracking emails. Mailgun provides reliable deliverability and lets you manage your email program through an easy-to-use interface. When you're ready to send your first campaign, simply ...

Pricing

Free Trial available, Try Now

Mailgun offers custom pricing plan

9.8

Spot Score

SendGrid

Effective sending for successful communication.

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3.4

(605)

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Product Description

SendGrid is a complete and modern cloud communication platform that enables marketers to communicate with their customers through transactional and engagement emails. SendGrid has been shipping billions of email campaigns with an uptime, guaranteed. Zero SPAM complaints.

Pricing

Free Trial available, Try Now

9.2

Spot Score

SparkPost

Effortlessly send and manage your email communications.

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3.8

(79)

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Product Description

SparkPost is a cloud platform for sending transactional email, marketing emails, & newsletters API. Users can integrate with SparkPost through shell-accessible HTTP API endpoints. Available as a cloud or an on-premise installation, SparkPost can be easily embedded within applications or ...

Pricing

Free Trial available, Try Now

9.0

Spot Score

SMTP2GO

Effortlessly send emails from any application.

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4.9

(1020)

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Product Description

SMTP2GO is a software application that installs on your PC and lets you send transactional email messages. It is compatible with any Windows based PC and can be used to send email from almost any application where email can be sent from.

Pricing

Free Trial available, Try Now

8.9

Spot Score

SocketLabs

Streamline your email communications with automation.

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4.6

(65)

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Product Description

SocketLabs is a transactional email software that helps you send email newsletters, reminder emails, and other one-off communications to your users in an automated way. It's built for developers looking to send out automated email communications without the headache of dealing with spam rules, ...

Pricing

Free Trial available, Try Now

SocketLabs offers custom pricing plan

8.8

Spot Score

Pepipost

Streamline your email marketing with Pepipost.

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4.5

(421)

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Product Description

Pepipost is a web-based email software product that enables you to send personalized transactional emails (postal mail, e-Bill, appointment reminders etc.) through an easy-to-use web interface. With Pepipost, you can deliver targeted communication at scale without ever needing to worry about ...

Pricing

Free Trial available, Try Now

8.8

Spot Score

Postmark

Transform your email deliverability with Postmark.

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4.4

(26)

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Product Description

Postmark is the transactional email software service that fixes your deliverability, increases engagement, and manages spam complaints. It works with any email service provider or hosted application to improve deliverability, manage consumer engagement on customizable, branded landing pages, ...

Pricing

Free Trial available, Try Now

8.7

Spot Score

Amazon SES

Efficient email delivery for your business needs.

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4.4

(99)

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Product Description

Amazon SES allows you to send email from your application using Amazon's reliable, scalable, and inexpensive infrastructure. Amazon SES provides simple APIs for developers to send transactional email such as order notifications, shipment notifications, and customer onboarding emails.

Pricing

8.4

Spot Score

Flowmailer

Streamline your transactional emails effortlessly.

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Product Description

Flowmailer is a software for sending and extracting data from transactional email. It is created to be used by websites that send transaction emails, such as e-commerce companies that need to keep their customers informed about the status of their orders. Flowmailer allows you to send emails ...

Pricing

Free Trial available, Try Now

8.1

Spot Score

Doppler Relay

Unleash the power of seamless communication.

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4.8

(4)

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Product Description

Doppler is a transactional email platform that manages the flow of information across the internet. It is a SaaS product that businesses use to connect with audiences on mobile and web channels using email, push notifications, and in-app messaging.

Pricing

Free Trial available, Try Now

Starts from $26.50/Month

7.9

Spot Score

MailTag

Streamline your emails and stay connected with ease.

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3.8

(5)

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Product Description

MailTag is a transactional email software that offers mobile-optimized, customizable, automated emails to help you easily communicate with your customers. Track who opens your emails and take action by sending follow up emails or reminders.

Pricing

Free Trial available, Try Now

7.8

Spot Score

Kingmailer

Effortlessly power your email marketing campaigns.

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4.1

(2)

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Product Description

Kingmailer lets you build and manage your email marketing campaigns. As a transactional email software, it helps you create email newsletters, unsubscribes, product updates, and even birthday and product reminder emails. Kingmailer comes with an extensive admin panel where you can view reports ...

Pricing

7.7

Spot Score

MailerSend

Boost email engagement with MailerSend.

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Product Description

MailerSend™ is a software platform designed specifically to empower email marketers, agencies and ESP platforms send transactional emails. These emails can be for marketing, newsletter, customer support or transactional communication between groups within an organization. MailerSend will help ...

Pricing

7.6

Spot Score

Aritic Mail

Boost customer engagement with personalized transactional emails.

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4.2

(3)

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Product Description

Aritic Mail is a customized transactional email software that effectively communicates with customers. It automatically sends timely and personalized messages to your customers, tracks open rates, click through rates and overall customer engagement.

Pricing

Free Trial available, Try Now

7.3

Spot Score

Takeout

Effortlessly send millions of emails without breaking the bank.

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Product Description

Takeout makes sending emails to people a breeze. Our simple packages and comprehensive API make it easy for developers to implement sending emails in any language and with just an internet connection—so you can send millions of transactional emails without outrageous costs. Enjoy the power and ...

Pricing

Starts from $3/Month, also offers free forever plan

7.0

Spot Score

Emailkick

Effortlessly create captivating emails and reach more customers.

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Product Description

Emailkick is a powerful email design software that allows businesses to send beautiful and captivating emails to a large client base. By utilizing its API, users can save time and effort by automatically generating HTML and utilizing AWS SES for email delivery. The software also offers dynamic ...

Pricing

Emailkick offers custom pricing plan

Mailazy

Seamlessly connect with customers through email.

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Add to compare

Product Description

Mailazy is a leading transactional email delivery platform designed to help businesses effectively communicate with their customers. The process is simple and efficient with four easy steps - email verification, domain authentication, seamless integration with Mailazy, and final delivery. The ...

Pricing

Best Transactional Email Software For Free

Mailgun

Seamless email automation with Mailgun.

Mailgun is the transactional email platform that offers developers a complete API for sending, receiving, and tracking emails. Mailgun provides reliable deliverability and lets you manage your email program through an easy-to-use interface. When you're ready to send your first campaign, simply ...

SendGrid

Effective sending for successful communication.

SendGrid is a complete and modern cloud communication platform that enables marketers to communicate with their customers through transactional and engagement emails. SendGrid has been shipping billions of email campaigns with an uptime, guaranteed. Zero SPAM complaints.

SparkPost

Effortlessly send and manage your email communications.

SparkPost is a cloud platform for sending transactional email, marketing emails, & newsletters API. Users can integrate with SparkPost through shell-accessible HTTP API endpoints. Available as a cloud or an on-premise installation, SparkPost can be easily embedded within applications or ...

SMTP2GO

Effortlessly send emails from any application.

SMTP2GO is a software application that installs on your PC and lets you send transactional email messages. It is compatible with any Windows based PC and can be used to send email from almost any application where email can be sent from.

SocketLabs

Streamline your email communications with automation.

SocketLabs is a transactional email software that helps you send email newsletters, reminder emails, and other one-off communications to your users in an automated way. It's built for developers looking to send out automated email communications without the headache of dealing with spam rules, ...

Pepipost

Streamline your email marketing with Pepipost.

Pepipost is a web-based email software product that enables you to send personalized transactional emails (postal mail, e-Bill, appointment reminders etc.) through an easy-to-use web interface. With Pepipost, you can deliver targeted communication at scale without ever needing to worry about ...

Postmark

Transform your email deliverability with Postmark.

Postmark is the transactional email software service that fixes your deliverability, increases engagement, and manages spam complaints. It works with any email service provider or hosted application to improve deliverability, manage consumer engagement on customizable, branded landing pages, ...

Amazon SES

Efficient email delivery for your business needs.

Amazon SES allows you to send email from your application using Amazon's reliable, scalable, and inexpensive infrastructure. Amazon SES provides simple APIs for developers to send transactional email such as order notifications, shipment notifications, and customer onboarding emails.

Flowmailer

Streamline your transactional emails effortlessly.

Flowmailer is a software for sending and extracting data from transactional email. It is created to be used by websites that send transaction emails, such as e-commerce companies that need to keep their customers informed about the status of their orders. Flowmailer allows you to send emails ...

Doppler Relay

Unleash the power of seamless communication.

Doppler is a transactional email platform that manages the flow of information across the internet. It is a SaaS product that businesses use to connect with audiences on mobile and web channels using email, push notifications, and in-app messaging.

MailTag

Streamline your emails and stay connected with ease.

MailTag is a transactional email software that offers mobile-optimized, customizable, automated emails to help you easily communicate with your customers. Track who opens your emails and take action by sending follow up emails or reminders.

Kingmailer

Effortlessly power your email marketing campaigns.

Kingmailer lets you build and manage your email marketing campaigns. As a transactional email software, it helps you create email newsletters, unsubscribes, product updates, and even birthday and product reminder emails. Kingmailer comes with an extensive admin panel where you can view reports ...

MailerSend

Boost email engagement with MailerSend.

MailerSend™ is a software platform designed specifically to empower email marketers, agencies and ESP platforms send transactional emails. These emails can be for marketing, newsletter, customer support or transactional communication between groups within an organization. MailerSend will help ...

Aritic Mail

Boost customer engagement with personalized transactional emails.

Aritic Mail is a customized transactional email software that effectively communicates with customers. It automatically sends timely and personalized messages to your customers, tracks open rates, click through rates and overall customer engagement.

Takeout

Effortlessly send millions of emails without breaking the bank.

Emailkick

Effortlessly create captivating emails and reach more customers.

Emailkick is a powerful email design software that allows businesses to send beautiful and captivating emails to a large client base. By utilizing its API, users can save time and effort by automatically generating HTML and utilizing AWS SES for email delivery. The software also offers dynamic ...

Mailazy

Seamlessly connect with customers through email.

Mailazy is a leading transactional email delivery platform designed to help businesses effectively communicate with their customers. The process is simple and efficient with four easy steps - email verification, domain authentication, seamless integration with Mailazy, and final delivery. The ...

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