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8.4

Spot Score

Flowmailer - Transactional Email Software

Flowmailer Alternatives with Better Pricing

Streamline your transactional emails effortlessly.

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Trusted by 254,745+ software buyers annually.

Main Features

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

Pricing

  • Free Trial available

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List of the Top Flowmailer alternatives as of June 2026

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.

8.8

Spot Score

Campaigner

Campaigner

RECOMMENDED

Power your email marketing with ease.

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3.0

Add to compare

What is Campaigner?

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

Starts from $14/month when monthly

9.8

Spot Score

SendGrid

SendGrid

Effective sending for successful communication.

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Add to compare

✦ Editor’s PickFree plan available

What is SendGrid?

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.

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Common Features

  • Dashboard

  • Template Management

  • Predesigned Email Templates

+ 8 more

Unique Features

  • A/B Testing

  • Multi-factor Authentication

  • Automated IP Warmup

+ 21 more

Pricing

Free Trial available, Try Now

9.0

Spot Score

SMTP2GO

SMTP2GO

Effortlessly send emails from any application.

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What is SMTP2GO?

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.

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Common Features

  • Dashboard

  • SMTP

  • Webhooks

+ 4 more

Unique Features

  • A/B Testing

  • Multi-factor Authentication

  • Contact Management

+ 7 more

Pricing

Free Trial available, Try Now

7.6

Spot Score

Aritic Mail

Aritic Mail

Boost customer engagement with personalized transactional emails.

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4.2

(3)

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What is Aritic Mail?

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.

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Common Features

  • Dashboard

  • Template Management

  • SMTP

+ 6 more

Unique Features

  • A/B Testing

  • Contact Management

  • Click-through Tracking

+ 4 more

Pricing

Free Trial available, Try Now

8.1

Spot Score

Doppler Relay - Transactional Email Software

Doppler Relay

Unleash the power of seamless communication.

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4.8

(4)

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What is Doppler Relay?

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.

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Common Features

  • Custom Spam Filter

  • Custom Reverse DNS

  • Real-time Reporting

+ 6 more

Unique Features

No unique features

Pricing

Free Trial available, Try Now

Starts from $26.50/Month

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

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