Audience
Email professionals that need a transactional email platform
About Postmark
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.
Other Popular Alternatives & Related Software
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.
Learn more about SendGrid
ClickSend
ClickSend is a simple, global SMS platform built for developers and the businesses they support. Built on a battle-tested API that always delivers with:
- Billions of messages delivered globally
- Direct routes only to 190+ countries
- 99.95%+ uptime
- Lightning-fast delivery
- Pay-as-you-go pricing — no lock-ins
- 24/7 support from people who actually understand APIs
- It works straight out of the box — and keeps working as you scale.
Already use Zapier, ActiveCampaign, Make or Power Automate? There are pre-built integrations ready to go.
Sign up and send your first message in minutes with free test credits.
Perfect for: alerts, 2FA codes, marketing campaigns and transactional messaging.
Learn more about ClickSend
SMTP.com
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.
Learn more about SMTP.com
Greatmail
Dependable cloud based email hosting with spam filtering, antivirus protection, generous storage and webmail. Compatible with Outlook and all other POP3/IMAP clients. High volume SMTP service for responsible senders. Outbound relay service for transactional messages, email marketing campaigns, newsletters and other applications. Dedicated email servers, clustering and multiple IP load balancing for high volume senders. Fixed monthly cost with unlimited sending and reputation monitoring. Greatmail is an email service provider (ESP) specializing in business class email hosting, SMTP hosting and email servers. For ISPs, application programmers and cloud developers, we also provide custom solutions including dedicated IP servers and process specific, load balanced configurations with multiple servers.
Learn more about Greatmail
Pricing
Starting Price:
$10/month for 10,000 emails
Free Version:
Free Version available.
Free Trial:
Free Trial available.
Company Information
ActiveCampaign
Founded: 2010
United States
postmarkapp.com
Videos and Screen Captures
Other Useful Business Software
Build Agents and Models on One Platform
Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
Product Details
Platforms Supported
Cloud
Training
Documentation
Support
Phone Support
Online
Postmark Frequently Asked Questions
Q: What kinds of users and organization types does Postmark work with?
Postmark works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does Postmark support in their product?
Postmark supports these languages: English.
Q: What kind of support options does Postmark offer?
Postmark offers support via phone support and online.
Q: What other applications or services does Postmark integrate with?
Postmark integrates with: Blotout, Checkfront, CleverTap, Coconut Software, Craft CMS, Crowdin, Desktop.com, DineDesk, Gurucul, Make, MagicBell, Mailcoach, Meltano, Pipedream, Rambox, Shift, Staffcloud, Stripo.email, Swimlane, Taxi for Email, Thrive Architect, Thrive Leads, Thrive Theme Builder, Wufoo, and Zapier and more.
Q: Does Postmark have an API?
Yes, Postmark has an API.
Q: What type of training does Postmark provide?
Postmark provides training in the form of documentation.
Q: Does Postmark offer a free trial?
Yes, Postmark offers a free trial.
Q: How much does Postmark cost?
Pricing for Postmark starts at $10/month for 10,000 emails.
Postmark Product Features
Transactional Email
Dynamic Content
Supported
Reporting/Analytics
Supported
Template Management
Supported
A/B Testing
Not Supported
Contact Database
Not Supported
Email Monitoring
Not Supported
Mailing List Management
Not Supported
Spam Check
Not Supported
