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Top Rated Transactional Email Software with Subscription - Page 5

Last updated: November 2026

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134 software options

APSIS One logo

Gather data. Automate customer journey. Grow your business.

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APSIS One is an easy-to-use platform for Email, Marketing Automation, SMS, Website Personalisation, E-commerce and more. All you need to improve results, increase retention, and grow your business.

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Inxmail logo

Email marketing software to create newsletters & emails

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Inxmail is the service-oriented tech specialist for secure, data-driven communication in email marketing.

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Dotdigital logo

Cross-channel customer engagement platform

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AI-powered marketing automation software that helps businesses worldwide create, send and report on cross-channel marketing campaigns.

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Constant Contact logo

Cloud-based email & multi-channel marketing for SMBs

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Cloud-based digital marketing platform for small businesses and nonprofits, covering email, SMS, social media, and event management.

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Elastic Email logo

Modern email communication platform for small businesses.

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A modern email marketing and delivery platform for small businesses to manage emails, as well as team and customer communication.

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Emma by Marigold logo

Multi-channel marketing that works for you.

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Emma by Marigold is an email marketing platform which focuses on segmentation, automation, and an easy-to-use email builder for teams of all sizes to leverage their customer data, increase engagement, and drive more revenue from email. Users can create and collaborate on email campaign content.

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Act-On logo

Growth marketing automation platform

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Act-On Software is the growth marketing automation leader that offers solutions empowering marketers to move beyond the lead and engage targets at every step of the customer lifecycle.

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SparkPost logo

Predictive email intelligence solution with analytics

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SparkPost is an email analytics solution designed to help businesses optimize email performance, deliverability, engagement, and more. It offers predictive intelligence, which allows marketers to gain insights into campaign health, engagement rate, and spam links to diagnose performance issues.

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Mailjet logo

Marketing Email, Transactional Email, Transactional SMS

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With GDPR-compliant infrastructure and proven deliverability, Mailjet is the best Email Marketing Software & Email API for Teams. Marketers design, deliver, and automate email newsletter while developers power transactional email via robust API platform.

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GetResponse logo

Convert more customers. Keep them coming back.

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An email marketing tool that helps business owners build permission-based mailing lists, maximize conversions with email automation and responsive design and create a landing page. GetResponse features include video email marketing, email-to-speech, and a custom form builder.

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SendGrid logo

Delivers reliable email at scale for businesses

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SendGrid is a solution that provides a cloud-based email infrastructure to help relieve businesses of the cost and complexity of maintaining custom email systems. It provides email delivery, scalability and real-time analytics along with APIs. The platform also offers SMTP service, email validation, deliverability insights, and dynamic templates, while supporting multiple programming languages including Node.js, Python, and Java.

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Campaigner logo

Powerful Email Marketing & Automation platform

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Advanced yet easy-to-use email marketing platform featuring automation workflows, contact segmentation, multivariate experiments and A/B split testing, drag & drop and HTML email editors, pre-built templates. conversion tracking and real time reporting.

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Birdsenger logo
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Email marketing solution

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Birdsenger is a cloud-based marketing platform designed to help users personalize and automate their emails with features such as lead importation, list creation and more.

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Lettr logo
(0)

Cloud-based transactional email API for artisans

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Lettr is a transactional email platform with HTTP API + SMTP relay, real-time webhooks, analytics, and a visual template editor with version history and a draft/publish workflow for teams.

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Knock logo
(0)

Cloud-based sales engagement & conversational marketing tool

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Knock is a cloud-based sales engagement and conversational marketing software that helps businesses initiate Slack conversations with leads from any marketing channel.

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Pingram logo
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Simple APIs for email, SMS, AI voice, and WhatsApp.

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Pingram (formerly NotificationAPI) is a communications API for email, SMS, voice, and WhatsApp. Built-in infrastructure, A2P 10DLC, and voice AI let developers ship faster with a single, simple API.

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SendFleet logo
(0)

Your own Amazon SES, connected in two minutes.

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Transactional email API for developers. Send through your own AWS SES account (zero data stored) or SendFleet's managed infrastructure - one REST endpoint, free to start.

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turboSMTP logo
(0)

SMTP relay for transactional and marketing emails

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turboSMTP is a professional SMTP relay service for transactional and marketing emails. It offers email delivery tracking with real-time reports, an API for integrating email into websites and apps, and event webhooks for notifications. Featuring servers across Europe, the USA, the Middle East, and Asia, it ensures GDPR-compliant data protection and provides 24/7 support via ticket, live chat, and phone.

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IGSendMail logo
(0)

Professional Email Marketing Made Simple

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IGSendMail is an email marketing platform designed to help businesses grow and engage with the audience. It features an intuitive interface, detailed insights and reports, automation, and analytics to optimize email campaigns and drive engagement, boost conversions, and more.

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Dynosend logo
(0)

Customer experience automation platform

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Dynosend helps businesses engage their customers with email marketing, marketing automation and contact CRM.
Send data-driven emails, sms, webhooks and slack messages in one place.

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Shipmail logo
(0)

Email platform with AI and custom domains

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Shipmail is a business email hosting service offering custom domain email addresses, integrated calendars, newsletters, and booking pages. It features a unified dashboard for managing multiple mailboxes, shared inboxes for team collaboration, and IMAP support for email clients. Shipmail includes an AI assistant for drafting responses, message management, and a developer API for mailbox creation and transactional email sending.

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Aument logo
(0)

Always on email + SMS marketing for Shopify stores

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For ecommerce that want to grab attention, Aument holds it. Always-on email and SMS marketing.

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Campaign logo
(0)

Email and SMS marketing automation platform

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Campaign Dolist is an email and SMS marketing platform that enables organizations to design and manage multichannel communication campaigns. The platform features marketing automation capabilities, audience segmentation tools, and a drag-and-drop email builder for creating responsive messages and landing pages without technical knowledge. It centralizes contact data from multiple sources including CRM, e-commerce, and ERP systems through API integration and secure data transfer methods.

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Email Deliverability Tool | by SMTPCart logo
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Cloud-based managed SMTP relay for all business sizes

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SMTPCart is a cloud-based managed SMTP relay with isolated sending reputation, SPF/DKIM/DMARC setup, IP warm-up, and daily.

Read more about Email Deliverability Tool | by SMTPCart

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Yonoma logo
(0)

Email Automation Platform for Growing SaaS Companies.

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Email automation platform to help SaaS companies to send better emails, automate user journeys, track performance and grow faster.

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