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7.2

Spot Score

SMTP

SMTP Alternatives with Better Pricing

Effortless email delivery, no restrictions.

User Ratings

Trusted by 254,745+ software buyers annually.

Main Features

  • Custom Spam Filter
  • Dashboard
  • Email History
  • Real-time Reporting

Pricing

  • SMTP offers custom pricing plan

Alternatives of SMTP with

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SMTP rating: 3.94 alternatives foundBuyers compare 3–5 alternatives before deciding.

Showing 1-4 out of 4

Top rated

List of the Top SMTP 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

No common features

Unique Features

  • Contact Management

  • Multivariate Testing

  • Auto-Responders

+ 17 more

Pricing

Free Trial available, Try Now

Starts from $14/month when monthly

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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✦ Editor’s Pick⭐ Higher rated than SMTP

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

  • Real-time Reporting

  • SMTP

+ 1 more

Unique Features

  • Custom Reverse DNS

  • Email Personalization

  • Webhooks

+ 2 more

Pricing

Free Trial available, Try Now

Starts from $26.50/Month

8.4

Spot Score

Flowmailer - Transactional Email Software

Flowmailer

Streamline your transactional emails effortlessly.

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What is Flowmailer?

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 ...

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Common Features

  • Custom Spam Filter

  • Email History

  • Real-time Reporting

+ 2 more

Unique Features

  • Email Suppression

  • Custom Reverse DNS

  • Custom Metadata

+ 4 more

Pricing

Free Trial available, Try Now

8.9

Spot Score

SocketLabs

SocketLabs

Streamline your email communications with automation.

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4.6

(65)

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⭐ Higher rated than SMTP

What is SocketLabs?

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, ...

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Common Features

  • Dashboard

  • SMTP

  • Email History

+ 1 more

Unique Features

  • Template Management

  • A/B Testing

  • Multi-factor Authentication

+ 5 more

Pricing

Free Trial available, Try Now

SocketLabs offers custom pricing plan

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

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