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8.4

Spot Score

Flowmailer - Transactional Email Software

Flowmailer Alternatives and Competitors

Streamline your transactional emails effortlessly.

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Main Features

  • Custom Metadata
  • Custom Reverse DNS
  • Custom Spam Filter
  • Dashboard

Pricing

  • Free Trial available

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Alternatives of Flowmailer with

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List of the Top Flowmailer alternatives as of June 2025

Compare business software, products, and services to find the best solution for your business or organization. Use the filters on the left to drill down by category, pricing, features, market segment, user ratings, and more.

7.2

Spot Score

SMTP

SMTP

RECOMMENDED

Effortless email delivery, no restrictions.

3.9

(11)

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Product Description

SMTP was built to solve the challenges of sending email from devices behind restrictive firewalls or communicating directly with a server over SMTP. It features multiple design elements and components that have been optimized for speed and ease of use. This powerful software is designed for ...

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Common Features

  • Dashboard

  • SMTP

  • Real-time Reporting

+ 2 more

Unique Features

No unique features

Pricing

SMTP offers custom pricing plan

8.8

Spot Score

Campaigner

Campaigner

RECOMMENDED

Power your email marketing with ease.

3.0

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Product Description

The Campaigner email marketing software from Constant Contact allows you to easily create, send and track professional emails and newsletters. With the help of a dedicated marketing team, it is simple to use, and will have you sending emails in minutes.

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Common Features

  • Template Management

  • Predesigned Email Templates

Unique Features

  • Contact Management

  • Multivariate Testing

  • Auto-Responders

+ 15 more

Pricing

Free Trial available, Try Now

Campaigner offers custom pricing plan

8.8

Spot Score

Moosend

Moosend

RECOMMENDED

Boost your business with Moosend's email marketing solution.

4.3

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Product Description

Moosend is a powerful Email Marketing Software for small businesses that's easy to use and affordable, with a robust feature set. With its user-friendly interface and newbie-friendly training, Moosend makes it easy to create and send professional email campaigns so you can reach out to new ...

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Common Features

  • Template Management

  • Predesigned Email Templates

Unique Features

  • Contact Management

  • Auto-Responders

  • Click-through Tracking

+ 17 more

Pricing

Moosend offers custom pricing plan

7.7

Spot Score

MailerSend

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 ...

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Common Features

  • Dashboard

  • Template Management

  • Predesigned Email Templates

+ 7 more

Unique Features

No unique features

8.4

Spot Score

StreamSend

StreamSend

Boost engagement and convert leads with StreamSend.

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Product Description

StreamSend is a full-featured, user-friendly email marketing software. It lets you create any type of email marketing campaign – newsletters, transactional mail, and promotional mail – with drag & drop ease. The intuitive interface makes it simple to design a campaign, while advanced automation ...

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Common Features

  • Template Management

  • Predesigned Email Templates

Unique Features

  • Auto-Responders

  • Click-through Tracking

  • Drip Campaigns

+ 11 more

Pricing

Free Trial available, Try Now

StreamSend offers custom pricing plan

7.3

Spot Score

Takeout - Transactional Email Software

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 ...

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Common Features

  • Custom Spam Filter

  • Email History

  • Email Personalization

+ 2 more

Unique Features

  • Email Tag

Pricing

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

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

Popular alternatives include SMTP, Campaigner, Moosend, MailerSend and Takeout.

Key factors include Email Suppression, Custom Spam Filter, Custom Reverse DNS, Email History, Custom Metadata and pricing.

Tools like Mailgun, SendGrid, Pipedrive, SparkPost and Postmark are best for small businesses for Transactional Email Software.

This software is researched and edited by

Rajat Gupta is the founder of Spotsaas, where he reviews and compares software tools that help businesses work smarter. Over the past two years, he has analyzed thousands of products across CRM, HR, AI, and finance — combining real-world research with a strong foundation in commerce and the CFA program. He's especially curious about AI, automation, and the future of work tech. Outside of SpotSaaS, you'll find him on a badminton court or tracking the stock market.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].