Best transactional email software 2025

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Don't know which software to choose? Our experts are ready to help you

MailerSend (SMTP) - review, pricing, alternatives, features

MailerSend (SMTP)

3 Reviews
Website
mailersend.com/smtp/
Quick choice
Editor's Choice
SMTP2GO - review, pricing, alternatives, features, details

SMTP2GO

2 Reviews
Website
smtp2go.com
Quick choice
Best for beginners
SendPulse (SMTP) - review, pricing, alternatives, features

SendPulse (SMTP)

5 Reviews
Website
sendpulse.com/smtp/
Quick choice
Most affordable
Brevo (SMTP) - review, pricing, alternatives, features

Brevo (SMTP)

1 Reviews
Website
brevo.com/smtp/
Quick choice
Most advanced
SMTP - review, pricing, alternatives, features, details

SMTP

1 Reviews
Website
smtp.com
Quick choice
Best price/quality
Elastic Email (SMTP) - review, pricing, alternatives

Elastic Email (SMTP)

3 Reviews
Website
elasticemail.com/smtp/
Filters
Quick choice
Editor's Choice
Most advanced
Most affordable
Best price/quality
Best for beginners
Rating

Latest reviews

Matt Robinson

Matt Robinson on MailerSend (SMTP)

MailerLite's SMTP service is efficient and reliable. Streamlining email campaigns has never been easier. The user-friendly interface and prompt delive...
Michelle Kim

Michelle Kim on SendPulse (SMTP)

SendPulse is an indispensable tool for seamless email marketing. Its user-friendly interface simplifies campaign management, while robust features lik...
Flora Roland

Flora Roland on SMTP2GO

SMTP2GO has revolutionized my email experience. With its seamless integration and reliable service, I can now send emails without any hassle. It's eff...
Dana Matthias

Dana Matthias on MailerSend (SMTP)

MailerLite's SMTP service is exceptional! With seamless integration and reliable delivery, it's perfect for businesses of all sizes. The intuitive int...
Dana Matthias

Dana Matthias on SMTP

SMTP streamlines email communication seamlessly. Efficient, reliable, and essential for smooth messaging. Its simplicity belies its power, making it a...
Selma Maire

Selma Maire on Brevo (SMTP)

Brevo SMTP delivers seamless email solutions with remarkable efficiency. Its intuitive interface and reliable performance make it an invaluable tool f...

How to choose best transactional email software 2025

The importance of SMTP in email marketing 

SMTP, which stands for Simple Mail Transfer Protocol, is essential for sending and receiving emails online. It plays a key role in email marketing. SMTP helps ensure that large email campaigns work well and that messages reach their destinations. Here are the main points about SMTP in marketing:

SMTP allows you to send several emails at the same time. This feature is helpful for email campaigns aimed at big groups of people.

To make sure your emails go through and maintain your sender reputation, you need to set up the SMTP relay server correctly as part of the setup process, which is part of the Amazon Web Services infrastructure. Using services like Elastic Email, SendGrid alternatives, and Amazon SES, a robust infrastructure for email delivery service, including dedicated IP addresses and various email marketing features, can greatly enhance this process, making it a popular choice for ensuring successful email delivery and achieving excellent deliverability rates, including high deliverability rates and delivery speed for large businesses. You can do this by using settings such as SPF (Sender Policy Framework) and DKIM (Domain Keys Identified Mail) with services like Amazon Simple Email Service. These settings help stop your emails from being seen as spam. They also help your emails get to the recipient's inbox.

  • Delivery tracking. Some SMTP servers provide tools to track and check the results of sent emails. This helps marketers understand how well their emails do and handle delivery issues.

What are the key features to look for in the best transactional email software?

When choosing the best transactional email delivery platform and service provider services, you need to look for several key features. First, check for high transactional email delivery rates and high open rates, which contribute to reliable email delivery. A good transactional email service provider should also offer customizable templates. We’ve reviewed the best transactional email service options available, as detailed email analytics and the ability to grow with your needs are important too for an effective email strategy. Good customer support from top transactional email providers is essential. Ensure that the email software works well with your current systems. Lastly, it should offer security to protect your sensitive data.

The importance of choosing the right SMTP server

Choosing the right SMTP server for email marketing is very important. It can really affect how successful your campaigns are. A good SMTP server can help your business grow.

  • Delivery and reliability. A good SMTP server ensures your emails go to the recipient's inbox. It stops messages from being blocked or going to spam.

  • Scalability. Your SMTP server should handle many emails easily and quickly, based on how big your email campaigns are.

  • Security. A secure SMTP server uses encryption and authentication. This keeps your emails private and stops unauthorized access.

  • Integration. The SMTP server should work well with other tools, like marketing and CRM platforms, to keep everything running smoothly.

  • Cost. To be smart with your marketing budget, check and compare the prices of different SMTP servers. Pick the one that meets your company's needs best.

The main criteria for choosing an SMTP server

1. Reliability and stability

  • A good monitoring system can quickly find and fix any issues with availability.

  • It supports regular data backups and restores. This helps avoid losses from sudden problems.

  • Where servers are located is important.

  • Putting servers in different parts of the world can help keep them running well.

  • This allows them to remain active and useful in many areas.

  • Disaster recovery means having plans to fix problems quickly when they happen.

  • This helps services stay on and running smoothly without breaks.

2. Scalability

  • Server optimization means using improved servers and smarter methods.

  • This allows us to manage a large volume of mail quickly and effectively.

  • Ensure you have a fast processing speed.

  • This helps prevent delays when you send emails.

  • Scalable email plans: These plans can change easily based on your email volume.

  • Flexible APIs make it easy to automate tasks.

  • They also add new functions when business needs change.

3. Security

Spam filtering helps ensure that the emails you send reach the right people. A good spam filter works well to stop unwanted emails from coming through.

  • Fraud monitoring means checking for issues in financial activities.

  • You can use special tools to help with this.

  • These tools can help you find fraudsters.

  • They can also stop them from doing harm.

TLS/SSL protocols help protect your data. They use strong encryption standards. This makes sure that your information stays safe and private during sending.

Authentication security helps to protect accounts. It involves using strong methods for checking logins and permissions. This helps to keep unauthorized people out.

4. Protocol and feature support

  • TLS/SSL support: Always use the latest versions of TLS/SSL. This helps keep your information secure when you share it.

Authentication and authorization keep the server safe. We support new systems that allow the right people to get access to the server.

  • Can work with other information systems.

  • Share information about who can access and who cannot.

  • Help with authentication and authorization.

These points are key when you choose an SMTP server. They help you keep your email marketing efficient, safe, and ready for growth.

Integration with other services

1. Compatibility with popular marketing platforms

Email marketing platforms

  • Work well with popular email marketing services like Mailchimp, SendGrid, or Constant Contact.

  • It has advanced data sharing features. This includes syncing mailing lists and sending results.

Social media platforms

  • Use social media sites, such as Facebook or Twitter, to send automatic messages or ads through email and social media.

2. Integration with marketing automation platforms

HubSpot, Marketo, or Pardot

  • It lets data flow automatically between the SMTP server and marketing platforms.

  • You can set up automatic email sending when certain points in the marketing funnel are reached.

Analytics platforms

  • Connect to Google Analytics or other services. This will let you see how the emails are performing. This helps you know what recipients are doing.

3. Compatibility with CRM systems

Salesforce, Microsoft Dynamics, or Zoho CRM

  • Link up with customer relationship management systems.

  • Update contact details automatically.

  • Keep track of interactions easily.

Data synchronization

  • It is important to keep customer information, deal statuses, and other key data in sync between the SMTP server and the CRM system.

4. Flexible APIs and advanced features

Access to the API

  • A clear and flexible API is available.

  • You can integrate it with any specific or custom services.

Advanced features

  • You can change and add features to the SMTP server using the API. This helps it meet your specific needs.

5. Automatic segmentation and personalization

Dynamic lists

  • You can update your mailing lists automatically. This takes data from your CRM or other sources. It helps you sort your audience correctly.

Personalization of emails

  • Combine personal features to ensure a high level of interaction and responses from the people getting it.

Integration with other services is crucial when choosing an SMTP server. It helps you effectively use email marketing. Plus, it makes it simpler to connect with other business tools.

Transactional email software is vital for any business that wants to connect with customers through email. It ensures important messages, like order confirmations and password resets, are sent and read without any issues.

Cost and tariff planning

1. Clear understanding of tariffs and volumes

Tariff structure

  • A close look at different tariff plans. This includes their design, prices, and the services that come with them.

Tariff details

  • Find out the details of each plan. This includes the number of emails sent, the amount of data, and the features that come with every plan.

Plan flexibility

  • See if you can change your prices if your business needs change.

2. The cost of sending mail

Pricing for the number of emails

  • Understand how rates change according to the number of emails sent each month or during any other time.

Cost optimization

  • Check different ways to lower your cost for each send. Think about using prepaid plans or getting discounts for larger amounts.

3. Additional costs (if it is any)

Additional services

  • Check for any extra services you might want. These could be advanced analytics, help with account recovery, or customized technical support. Make sure to find out how much they will cost.

Limitations and additional costs

  • Check the tariff rules, such as shipping fees, that might cause extra costs.

Planning for the future

  • Consider how changes in rates could happen if there is an increase in email volume or if business needs change.

4. Free trial period

Trial period duration

  • Find out how long the free trial lasts. This will help you understand if it meets your needs.

Trial restrictions

  • Check if there are any rules during the trial period. Look for limits such as email volume or features that you can use.

5. Consultation and support

Types of support

  • Check support levels. These are ways to get advice and help with billing problems.

Cost of additional services

  • Check the price of extra services, like personal help with planning costs.

Information about pricing and rate planning should be clear and accessible to everyone. This will assist in managing costs and choosing the best plan for business needs.

Service and support

1. Level of customer support

Availability and speed of problem resolution

  • A promise that you will receive help any time, day or night, for urgent problems and accidents.
  • We will ensure your issues are handled quickly and well.

Channels of communication with the support team

  • A combination of methods to talk, such as live chat, email, phone calls, or ticket systems, to help customers more easily.

Staff qualifications and experience

  • Ensure you have trained staff who can handle various technical and service issues.

2. Updates and improvements

Frequency of updates and innovations

  • See how often updates and new features are added. This helps to ensure the service stays current with the latest technology standards.

Procedure for implementing updates

  • A simple way to make updates saves time and lowers risks for users.

Involvement of users in improvements

  • Help users communicate while fixing bugs and making improvements to collect important feedback.

Documentation for users

  • Provide simple and clear instructions for users.
  • Describe the new features and updates in the system.

3. Testing and validation

Testing before release

  • Always test everything completely before you release updates. This way, you can find and fix any bugs.

Validation with users

  • Involve users in testing new features.
  • Ensure those features meet business needs.

Stability during updates

  • Keep the system stable while updates happen. This helps to stop any negative effects on users.

Support and updates are important for keeping the SMTP server running well. Having good and easy access to these services is necessary for using the SMTP server successfully.

Bottom line

When you choose an SMTP server for email marketing, you should consider several important things. This will help you be more efficient and successful. Key things to think about include:

  • The server must be always available.
  • It needs to be reliable and able to grow.
  • This allows it to manage a lot of mail.
  • It must also keep up with rising demands.
  • Consider using tools to block spam.
  • Use encryption to ensure safety.
  • Implement authentication methods to protect data and keep it secure.

Integration means that the server can work smoothly with other marketing and CRM platforms. This makes it easier to manage and share data.

  • Planning costs and rates is important.
  • You need to know the cost of sending mail.
  • Understand how the rates work and how much mail you have.
  • It's also wise to avoid extra costs.

Customer support is very important. It gives easy access and helps to solve problems quickly. This ensures that the system works well.

  • Regular updates and improvements keep the server current and working well.
  • These changes help to ensure the server remains useful.

The last decision should think about the specific needs of your business, its size, and marketing plan. A close look at the features and tips can help you make a smart choice. This way, you can get the best value from the SMTP server you pick.