Best Enterprise Transactional Email Services of 2025

GetResponse

GetResponse provides all-in-one marketing software that empowers marketers, solopreneurs, coaches, creators, and small business owners with affordable, easy-to-use tools for email marketing, marketing automation, and content monetization. With over 25 years of expertise, GetResponse goes beyond email with tools to help grow and engage audiences, create and sell courses, and turn ideas into income. It’s the go-to solution for building a personal brand, selling products and services, and fostering a loyal community.

1,428 Ratings

Starting Price: $0

View Service

Visit Website

Critical Impact

Critical Impact allows you to enhance and simplify your email marketing campaigns. Our tools let you effectively manage your email and SMS lists, send personalized and automated emails, along with text messages (SMS) for your marketing campaigns all at a competitive price model. Our subscriber scoring algorithms will mine your data to quickly identify those subscribers who are most likely to read your next email, consume additional emails, or make another purchase. With our easy-to-use interface, you can schedule messages to send in minutes. Select your send options all on one page, and then prevent mistakes by seeing a confirmation of all your send details. Even A/B test your email across device screens – from phones to tablets to monitors.

6 Ratings

View Service

SMTP.com

Ziff Davis

Reliable SMTP relay and email delivery services. Powerful email delivery services that enable you to send and track high volume emails effortlessly. Integrate and start sending in minutes. All your transactional, email relay and email delivery needs under one roof. Whether you need a low-latency email delivery provider for your transactional emails, scalable infrastructure for high-volume sends or reliable backend solution for your marketing campaigns, SMTP is built to deliver. Reputation Defender is SMTP’s proprietary technology that uses big data to proactively monitor your email list health and safeguard your domain and IP reputation among ISPs by suppressing bad emails in your sends from hard and soft bounces. This ensures your delivery rates and inbox placement incrementally gets better over time.

2 Ratings

Starting Price: $25 per month

View Service

ClickSend

ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.

73 Ratings

Starting Price: $20 minimum topup

View Service

Selzy

Selzy is an ecosystem of easy-to-use marketing automation tools that helps small and medium businesses grow. From list growth and crafting a perfect email to segmentation, automation, A/B testing, and analytics, Selzy covers it all. - Launch your first campaign in less than 15 minutes: use smooth drag-and-drop email builder, 140+ goal-oriented templates, and AI writing assistant - Anti-spam email checker: have every email rated and get personalized tips to improve deliverability - Grow your list with customizable pop-up forms - Connect your favorite tools: Shopify, WordPress, Woocommerce, Airtable, Salesforce, HubSpot, Pipedrive, and so much more - Get 24/7 help from our support team (real humans with top-notch email marketing experience).

28 Ratings

Starting Price: $7 per month

View Service

Brevo

Say hello to Brevo (formerly Sendinblue) — the platform that helps you build customer relationships across Email, SMS, Chat, and more. The complete toolkit to turn one-time browsers into long-term customers. Connect with contacts directly in their inbox with beautifully designed email campaigns. Send targeted messages that land straight in your customers' pockets. Brevo empowers businesses to build and grow relationships through marketing automation, email campaigns, transactional emails and SMS messages. What makes us different? Brevo is powered by our world-class customer happiness team and we offer pricing plans guaranteed to make you smile. Our platform combines a robust suite of services within a single, user-friendly solution. Happy Sending!

24 Ratings

Starting Price: €25 per month

View Service

WebEngage

WebEngage is the best-in-class marketing automation software suite that helps business-to-consumer (B2C) companies improve user retention and drive more revenues. Cloud-based and easy to use, WebEngage aids businesses in managing cross-channel communication with their customers while allowing them to send messages via Emails, SMS, mobile push notification, web push notification, on-site alerts, in-app messaging, IVR, Facebook & Whatsapp. The solution includes cross-device tracking, live segmentation, deep data personalization, and more. Plus, using WebEngage's Journey Designer helps businesses to effectively create complex lifecycle campaigns.

5 Ratings

View Service

emfluence Marketing Platform

emfluence

Designed with you in mind, the emfluence Marketing Platform offers an intuitive interface and powerful features to streamline your digital marketing efforts. Whether you're launching personalized campaigns, managing multiple brands, or crafting strategies, our platform empowers you to succeed with email automation, advanced personalization in email marketing, social media management, timely SMS marketing, high-converting landing pages, comprehensive automated reporting, website tracking, lead scoring, a centralized marketing calendar, and more. Experience the perfect balance of usability and functionality with the emfluence Marketing Platform, and take your marketing to the next level.

4 Ratings

Starting Price: $1,000/month

View Service

SendGrid

Twilio SendGrid

Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

8 Ratings

Starting Price: $19.95 per month

View Service

Mailjet

Sinch

The email solution for fast-moving teams. We know how hard it can be to find an affordable and effective email service. Mailjet is the perfect solution for your needs, our advanced features help you grow your business at a very reasonable price. Effortlessly craft beautifully responsive email in just a few clicks with our email editor, Passport. Use our rich library of free email templates or create your own design from scratch. Use Mailjet’s Collaboration Toolkit to work on the same email template or campaign in real time to increase your team’s efficiency. Drastically shorten feedback cycle with commenting and approval workflow features to go faster. Personalize each email with customer data you collect and segment your contact list to send the right content to the right customer. It’s easy to make each of your recipients feel special. Optimize the performance of your campaign with real-time statistics available with each sending.

3 Ratings

Starting Price: $9.65 per month

View Service

SendPulse

A multi-channel marketing automation platform designed to help marketers create personalized promotional campaigns. Users can choose between email, SMS, and web push notification or build an elaborate message sequence by combining several channels in a single campaign. When it comes to email marketing, the platform packs all the necessary tools to automate lead nurturing and lead generation. Users can create custom subscription forms and grow their mailing list. Intuitive drag and drop allows users to design mobile-friendly email templates or choose a predesigned one from a massive gallery. The company, also, offers a transactional email service that users can use to send up to 12000 free emails via SMTP or API. SendPulse has its own chatbot builder. Users can create a Facebook Messenger chatbot or a Telegram chatbot and use it to send personalized campaigns or as an autoresponder.

2 Ratings

Starting Price: $9 per month

View Service

Routee

AMD Telecom

Routee is an intelligent omnichannel communication platform (CPaaS) offering advanced Web and API automation for all industries worldwide. Powered by AMD Telecom’s robust infrastructure, Routee's services enable businesses to optimize their marketing & business processes. -SMS Marketing: tailor-made messages based on customers' individual preferences -Email Marketing: personalized newsletters & email campaigns based on an audience's behavioral data -Transactional Email: automated emails to customers on important data regarding their transactions -Marketing Automation: rich forms & customer data capture, automation of repetitive marketing tasks, and tracking of marketing campaigns -Two Factor Authentication: a second layer of security with fallback through SMS, Voice, Viber & Missed Call -Cloud IVR: multilingual capabilities, turning speech into text, & text to human-sounding speech -Push Notification: personalized web & mobile push notifications, based on segmentation and user

2 Ratings

Starting Price: $0.01 one-time fee

View Service

turboSMTP

TurboSMTP understands that email is not just a means of communication but the backbone of your customer engagement strategy. TurboSMTP Email API is trusted by developers and marketers alike for its time-saving features, scalability, and delivery expertise. Our service offers a flexible SMTP relay solution along with advanced features tailored to meet the needs of businesses of all sizes. With our intuitive dashboard, powerful features, and dedicated support, ensuring the delivery of your emails is seamless and uninterrupted. TurboSMTP's infrastructure is built to scale, whether you're sending a few hundred emails or millions. Integration with our service is effortless, with sample code libraries available in multiple languages, interactive documentation, and customizable templates. Monitor engagement data and optimize deliverability with our comprehensive reporting tools. Trust TurboSMTP to deliver your emails reliably and efficiently, empowering you to engage with your audience.

7 Ratings

Starting Price: $14.95 per month

View Service

Bird

Bird (formerly MessageBird) is the next-generation CRM for Marketing, Sales, and Payments, powering over 5 trillion annual messages across Email, SMS, and WhatsApp. Leading brands grow cost-efficiently with Bird through personalized interactions on Email, SMS, and WhatsApp. The world's most innovative companies build communication solutions using Bird's applications and APIs. Get started today and talk to your customers over any channel, for any use case, anywhere in the world. Marketing messages, push notifications, order updates, delivery alerts and more. Operational bottlenecks slowing your growth? Use automated conversations and workflows to collect critical information up front, reduce manual tasks, implement self-service flows, and route chats to the right agent. Get up and running in minutes on our reliable, auto-scaling APIs with extensive documentations, complete API references and intuitive SDKs.

1 Rating

Starting Price: $45 per month

View Service

inwise

inwise is an all-in-one AI-powered marketing cloud tool designed to help businesses grow and connect with their audience. It simplifies direct marketing by offering features like popups, signup forms, and automated customer journeys to attract, engage, and convert leads into customers. With inwise, businesses can manage email marketing, WhatsApp & SMS campaigns, landing pages to boost sales, while also retaining customers through newsletters and personalized messaging. Trusted by thousands of businesses worldwide, inwise ensures data security with both on-premise and SAAS solutions, offering seamless integration with your existing data

1 Rating

Starting Price: $18.00/month

View Service

TouchBasePro

Our Email Marketing platform has all the tools you need to become an email marketing pro. Check out our many features like transactional emails, workflows, automations and different campaign types to see what we mean. Our campaign builder allows you to design stunning emails, like a pro. Creating an effective campaign requires that you have the right tools for the job. An email marketing and digital strategy expert will learn the ins and outs of your business, existing email program and identify your campaign goals. We will then analyze and perform an audit of your current marketing and database growth strategy, along with your current email program to identify key areas of improvement. We will set up a consultation to review the critical areas of improvement, best practices, examples and how we propose to work alongside your business to win. Receive an in-depth guide on the way forward and how we will help create high-value, low-cost ways to achieve your goals.

1 Rating

Starting Price: R259 per month

View Service

ZeptoMail

Zoho

Your transactional emails carry crucial information. ZeptoMail is a reliable and secure service that delivers these all-important emails instantly. With high-speed delivery and great inbox placement, ZeptoMail means you no longer keep your customers waiting. Transactional emails are unique emails that are usually triggered by some user action. More often than not, your customers are expecting these emails in their inbox within seconds of the trigger action. Pick the right delivery service and keep your customers happy. Your users will no longer be left refreshing their inbox for their email verification code or password reset emails. Email deliverability is a consequence of the reputation of the sender IP address. ZeptoMail is built exclusively to tackle the challenges of sending transactional emails. Delivery is good. Delivering to the right folder is crucial. ZeptoMail supports industry-standard authentication mechanisms such as SPF and DKIM.

1 Rating

Starting Price: $2 per credit

View Service

Everlytic

Everlytic’s bulk messaging and automation platform enables you to: - Grow your marketing lists - Create personalized emails, texts + more - Track message engagement Want to help your customers feel more connected to your brand? Of course you do! Because connected customers buy more from you, more often. Personalized automated marketing is the key. That’s why we created a single platform for sending hyper-personalized emails, text messages, voice broadcasts, and push notifications – easily, automatically and at scale. Leading companies trust Everlytic to get more messages into more inboxes. Everlytic simplifies the building of superior customer journeys that target and engage people with relevant, on-time messages. Messages that resonate. You get real-time insights into how your audience interacts with your content – and the power to connect with the right people and convert them at the right time.

1 Rating

View Service

EmailLabs

Vercom

EmailLabs is part of the Vercom S.A Group, which implements technology solutions in the CPaaS model. We are a cloud SMTP server infrastructure: Cloud SMTP & Email API. With years of experience in sending to the most informed senders, we can make a measurable contribution to building email reputation and improving deliverability. We take care of standardization and security of both marketing, transactional and system messages of our customers. Thanks to the in-depth knowledge of our experts, we are able to prepare the infrastructure to ensure appropriate throughput and increase the sending speed for any market and any mailbox provider. Plug EmailLabs into your transactional sends - start sending in less than 5 minutes.

Starting Price: Free

View Service

Amazon SES

Amazon

Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application. You can configure Amazon SES quickly to support several email use cases, including transactional, marketing, or mass email communications. Amazon SES's flexible IP deployment and email authentication options help drive higher deliverability and protect sender reputation, while sending analytics measure the impact of each email. With Amazon SES, you can send email securely, globally, and at scale. Using either the Amazon SES console, APIs, or SMTP, you can configure email sending in minutes. Amazon SES also supports email receiving, enabling you to interact with your customers at scale. Regardless of use case or sending volume, you only pay for what you use with Amazon SES.

Starting Price: $0.10 per month

View Service

Go4Clients

Automate customer engagement with our Drips technology. Go4Clients latest Drips feature uses a combination of SMS, Voice, Email, and Mobile Landing Pages to interact with your customers. Map out the customer journey and let consumers flow down your sales funnel automatically. Trigger messages with different channels based on a user's actions or no actions. Want to BOOST YOUR SALES? Easy. Integrate your current forms to Go4Clients and automate your communications in just a few minutes. Go4Clients allows you to automatically pass data to and from other web services without writing a single line of code. DRIPS make omnichannel and automation simple. Just pick your message and choose the most relevant channel for the very right time. Let’s start connecting with customers anywhere in the globe. Go4Clients has worked across many Industries.

Starting Price: $50 per month

View Service

Userlist

Behavior-Based Customer Messaging. Perfect for Your SaaS. Onboard and engage your SaaS users with targeted behavior-based campaigns. Choose the right channel — email or in-app messages — to deliver the right information when your users need it the most. Onboard your users with automated behavior-based campaigns. Deliver the right information at the right time. Trigger automated email campaigns based on what users do (or don’t do) in your product. Choose the right channel for each message: deliver via email or in-app messages. Segment your users based on their behavior. Send one-off broadcasts to make announcements and promote new features. Use built-in campaign templates, so that you never have to start from scratch. View your user profiles in a simple admin dashboard. Add filters or dive straight into user profiles one by one, where you can see all their events and properties.

Starting Price: $99 per month

View Service

MailerSend

MailerSend is a new kind of transactional messaging service designed for developers to work faster and smarter. Intuitively designed so anyone can contribute to transactional email and SMS, while a powerful sending infrastructure and flexible payment plans let you scale your sendings quickly. Built by deliverability experts, and with the inbuilt email verification tool, you can rest easy knowing your messages will get delivered. Plus, inbound routing allows customers to interact with your messages. Try it for yourself! Get started for FREE with 3,000 messages per month, then only pay for what you send. No contracts! The free plan has the features you need, including always 24/7 technical support.

Starting Price: $30 per month

View Service

Sweego

Mindbaz

Sweego is a multichannel notifications platform for developers. Sweego allows users to send transactional, engagement, and CRM messages through channels like email and SMS. We are working to add another channels like push (web & mobile) notifications, in-app notification, voice notifications and more. The platform provides APIs and webhook system to integrate notifications and messaging capabilities into applications. (SAAS, Mobile, Desktop, whatever...) With our email builder, you can create your template easily with drag and drop fonctionnality, HTML import, good email client compatibility, brand management, etc... Key features include message templates, email authentication, webhooks, sandbox testing for emails, statistics, logs and scalability.

Starting Price: €10/month

View Service

CXONCLOUD

UNLOC Ltd.

CXONCLOUD is a B2B SaaS built to create, manage & measure the end-end customer experience in simple clicks. One solution that offers unlimited customer feedback, booking, loyalty, awards, rewards, referral marketing, email automation and helps businesses deliver a consistent seamless experience on all customer touchpoints. CXONCLOUD not only improves search but also simplifies customer engagement may it be a booking or feedback. It understands customer sentiments, immediately acknowledges customer concerns automatically & alert the impending negative word of mouth. The all-in-one app automatically measures the loyalty factor of customers & has readymade loyalty campaigns to engage customers on email & social media. The inbuilt referral marketing campaigns can help small business get new referrals from existing loyal customers in simple clicks. The loyal customers can be rewarded with promo codes & QR codes with automatic list generations & rewards management modules.

Starting Price: $39.00/month

View Service

Postmark

ActiveCampaign

ActiveCampaign Postmark is the email delivery service that developers and product teams actually like. Send transactional and marketing emails and get them to the inbox, every time. Postmark maintains one of the best delivery reputations in the industry by routing transactional and promotional messages through parallel but separate sending infrastructure.

Starting Price: $10/month for 10,000 emails

View Service

TransMail

Zoho

Guaranteed and instant delivery for your transactional emails. Your transactional emails carry crucial information. TransMail is a reliable and secure service that delivers these all-important emails instantly. With high-speed delivery and great inbox placement, TransMail means you no longer keep your customers waiting. Transactional emails are unique emails that are usually triggered by some user action. More often than not, your customers are expecting these emails in their inbox within seconds of the trigger action. Pick the right delivery service and keep your customers happy. Your users will no longer be left refreshing their inbox for their email verification code or password reset emails. Email deliverability is a consequence of the reputation of the sender IP address. TransMail is built exclusively to tackle the challenges of sending transactional emails.

Starting Price: $2.50 per credit

View Service

Flowmailer

-- The email engine you can build on -- We're everything that happens under the hood of your email communications. Reliable Email API with endless capabilities & features ready for integration. Flowmailer's Email Engine provides all the tools you need to build a professional email strategy. From marketing to customer support, from account management to warehousing, every email sent is valuable. Where others choose to focus on an email's looks rather than its performance - we opt for solid email deliverability first. Every email that hits the inbox is a valuable moment between you and your customer. Email Engines change the way we send emails. Ready to create the unparalleled email experience your customers deserve?

Starting Price: €89 per month

View Service

Afterlogic Triton

AfterLogic

There are lots of SaaS email applications such as Mandrill or Brevo. They have different features and pricing. The main disadvantage is that you have to host your inventory at third-party service. With self-hosted solution you have full control over your email ecosystem. Your emails are hardcoded in monolith? Use Triton as your emailing microservice. Split the responsibility and focus on your app, Triton will take care of emails. Sometimes basic functionality is not enough so you can add some custom features. Powered by Laravel, Triton has well-organized and clean code. Extend it yourself or request custom development from us. Use self-hosted SMTP servers or cheap alternatives such as Amazon SES and it will still be cheaper compared to SaaS solutions.

Starting Price: $99 one-time payment

View Service

Alibaba Cloud Direct Mail

Alibaba Cloud

Direct Mail is a simple and efficient service to send email notifications and batch email quickly and efficiently without the need to build your own email server. Direct Mail is a key product for serving Alibaba's own e-commerce platforms, which includes servicing Alibaba's record-breaking annual sales festival. Tens of millions of emails are sent every day through Direct Mail by Alibaba and Alibaba Cloud customers. Direct Mail guarantees stable and high conversion rates across various mail channels. Emails can be sent with the product console, API interface, and SMTP interface. Outbound mail redundancy is stored on multiple servers and databases to provide stability and scalability. Control mailing frequency with strategic mailing functionality. Includes registration confirmation, order confirmation, password reset, transaction notification, and more. Includes product promotions, journal subscriptions, and more.

Starting Price: $1.99 per six months

View Service

Best Enterprise Transactional Email Services

Compare the Top Enterprise Transactional Email Services as of August 2025

What are Enterprise Transactional Email Services?

GetResponse

Critical Impact

SMTP.com

ClickSend

Selzy

Brevo

WebEngage

emfluence Marketing Platform

SendGrid

Mailjet

SendPulse

Routee

turboSMTP

Bird

inwise

TouchBasePro

ZeptoMail

Everlytic

EmailLabs

Amazon SES

Go4Clients

Userlist

MailerSend

Sweego

CXONCLOUD

Postmark

TransMail

Flowmailer

Afterlogic Triton

Alibaba Cloud Direct Mail