Mailgun Vs Postmark

Email Marketing Platforms

Mailgun Vs Postmark

Nick’s Review of Mailgun Vs Postmark

In a recent blog post, Postmark introduced its new Retention Add-on, giving users even more options for managing their emails. This article will compare Postmark to Mailgun, highlighting the benefits of choosing Postmark and explaining why it is a better option for email delivery.

Postmark is a comprehensive email service provider offering features such as an Email API, SMTP Service, Message Streams, Transactional Email, Email Delivery, Email Templates, Inbound Email, Analytics & Retention, and Integrations. It caters to various types of businesses, including agencies, enterprises, startups, bootstrapped startups, and side projects.

When comparing Postmark to Mailgun, Postmark offers several advantages. In terms of sending emails, Postmark supports both transactional and bulk/broadcast emails, including the new Broadcast Message Streams feature. It also provides separate infrastructure for transactional and bulk emails, ensuring optimal performance. Moreover, Postmark supports both SMTP and REST API, with comprehensive official and community libraries available.

Postmark takes email deliverability seriously and includes features like spam score checking, spam complaint handling, and bounce handling. It offers both shared IPs and dedicated IPs, with dedicated IPs auto-managed based on individual sending volume. Postmark also provides separate environments with servers for added reliability. In terms of email templates, Postmark offers pre-made templates and a template engine for easy customization. Users can also take advantage of inbox preview and scheduled delivery.

When it comes to inbound email processing, Postmark matches up to Mailgun by providing features such as RegEx matching on all email headers (“routes”), chain multiple filters, UTF-8 encoding, and the ability to strip signature and quote blocks. Additionally, Postmark offers spam filtering to help keep your inbox clean.

In terms of data and analytics, Postmark provides comprehensive insights into delivery rates, bounce rates, open rates, click tracking, unsubscribe tracking, spam rates, full message storage (up to 45 days), automatic tagging, custom tagging, custom header metadata tags, custom tracking domain, geolocation data, email client and device tracking, and real-time notifications.

Postmark ensures reliability with its exceptional Time to Inbox. It also provides system availability API and service availability API to keep users informed about the status of the service. In terms of security, Postmark supports SPF, DKIM, DMARC, 2FA, opportunistic TLS, and enforced TLS.

One of the key advantages of choosing Postmark over Mailgun is its exceptional deliverability. Postmark includes great deliverability as a standard feature, without the need to pay extra for a dedicated IP or “managed email service.” Postmark shares live delivery data with users, allowing them to judge for themselves. With Postmark, users can expect great deliverability to popular email clients such as Gmail, Apple, Hotmail, AOL, and Yahoo.

Another advantage of Postmark is its great support. Unlike Mailgun, Postmark offers great support to all customers, regardless of their spending level. Postmark’s customer happiness rating is exceptionally high, with a 95% great rating. Users can reach out to Postmark’s support team through email, live chat, or by phone. The team usually responds within a couple of hours and is committed to helping users resolve any delivery problems instead of suggesting upgrading to a dedicated IP.

Postmark also stands out with its troubleshooting capabilities. It logs and retains more helpful details about the event history and content of messages than Mailgun. Postmark provides a full 45 days of both message events and full content rendering, allowing users to easily trace email delivery and resolve any issues.

Additionally, Postmark offers pre-built and fully-tested email templates, helping users save time getting started. These templates cover various use cases, and Postmark provides extensive guides on best practices for configuring, using, and optimizing these templates. Users can also use MailMason, an open-source toolset provided by Postmark, to streamline building and updating a set of consistent transactional emails.

To further support users in switching from Mailgun to Postmark, Postmark has created a comprehensive migration guide that covers everything users need to know about the migration process. The guide provides step-by-step instructions and tips for a smooth transition.

In terms of pricing, Postmark offers various plans based on the number of emails sent per month. The pricing starts at $15 per month for 10,000 emails and increases with additional emails. Postmark also offers high-volume plans for users who require more emails, and they provide a free trial with the developer plan offering 100 emails per month.

In conclusion, Postmark is an excellent alternative to Mailgun, offering exceptional deliverability, great support, unrivaled troubleshooting capabilities, pre-built email templates, and more. With its comprehensive features and focus on providing a top-notch email delivery experience, Postmark is a reliable choice for businesses of all sizes.

Tina’s Review of Mailgun Vs Postmark

In this blog post, we will be discussing the alternatives to Postmark for better email deliverability. One of the alternatives mentioned is Mailgun, which is a powerful API that allows you to send both transactional and marketing emails. Unlike Postmark, Mailgun allows you to easily transition to sending newsletters and promotional emails when needed.

Another advantage of Mailgun is that it allows you to take control of your sending reputation. While Postmark does not provide dedicated IP addresses for senders sending under 300k daily messages, Mailgun offers a free dedicated IP starting at 100k emails included on their paid plans. This allows you to prevent delivery problems that can arise from sending emails too quickly and ensures that your messages have high delivery rates.

Mailgun also provides free emails for testing purposes, which allows you to figure out the volume of email you need to send through your web app. In comparison, Postmark only offers 100 test emails per month, which may not be enough as your web app grows.

Additionally, Mailgun offers an email verification service that helps you protect your signup forms from bot attacks and fake accounts. This service also handles email list management for marketing messages and enables email authentication using Laravel. Postmark does not provide an email address verification service on its platform.

In conclusion, Mailgun is a strong alternative to Postmark for better email deliverability. Its flexibility, ability to handle both transactional and marketing emails, and additional features such as email verification make it a preferred choice for many developers and engineers.

Steve’s Review of Mailgun Vs Postmark

Mailgun vs Postmark: An Email Provider Comparison

If you’re in search of a reliable email service, you may have come across Mailgun and Postmark. Both of these platforms offer a wide range of features and services for sending and receiving emails, but which one is better? In this comparison guide, we will analyze the pros and cons of Mailgun and Postmark, including pricing, features, customer reviews, and more.


Both Mailgun and Postmark offer software development kits (SDKs) for various programming languages like JavaScript, PHP, Ruby, and more. This makes it easier for developers to integrate these email services into their applications.

Mailgun has a threshold of 5,000 messages per month and 300 messages per day for its free plan. The flex plan has no daily limit, but for the paid plans (Foundation, Growth, and Scale), you can access a dedicated IP and send between 50,000 to 100,000 emails per month, depending on the plan.

Postmark offers various plans with different maximum email limits, ranging from 10,000 to 5 million. Customers sending up to 300,000 emails monthly can use a dedicated IP address at an additional cost of $50 per month.


When it comes to pricing, Mailgun and Postmark offer different tiers based on the number of emails sent.

For Mailgun, the pricing starts at $0.8/month for up to 1,000 emails and goes up to $50/month for up to 50,000 emails.

Postmark’s pricing starts at $10/month for up to 1,000 emails and goes up to $50/month for up to 50,000 emails.

Pros and Cons:



  • Easy to set up.
  • Well-documented APIs for developers.
  • High throughput and quick email integration.
  • Support for email marketing.


  • Some users have reported spotty historical reliability.
  • Support quality has diminished since its acquisition.

When to use Mailgun:

  • Freelancers, small-, medium-, and large-scale companies.
  • Developers who handle emails.
  • Working with the larger Pathwire/Sinch ecosystem.
  • Need for enterprise consulting services.



  • Easy setup, delivery, and parsing of transactional emails at scale.
  • Ready-to-use responsive email templates.
  • Troubleshooting and analytics tools.


  • Access limit to email history (45 days).
  • Monthly pricing only.
  • No support for lists and visual template builders.

When to use Postmark:

  • Agencies, enterprises, startups, and side projects.
  • Wanting to separate email streams with servers.
  • Need for a complete self-serve option.

Company Info:


  • Alexa Rank: 3,998
  • Funding: $51.1M
  • Employee Count: 250
  • Founded In: 2010
  • Headquarters: San Antonio, USA
  • Trustpilot Rating: 4.3
  • G2 Rating: 4.5


  • Alexa Rank: 19,049
  • Funding: $0
  • Employee Count: 20
  • Founded In: 2010
  • Headquarters: Philadelphia, USA
  • Trustpilot Rating: 3.8
  • G2 Rating: 4.6


Most Popular: Mailgun
Most Funded: Mailgun
Most Established: Mailgun
Most Highly Rated: Mailgun
Cheapest (Small Plan): Mailgun
Cheapest (Bigger Plan): Mailgun


In conclusion, both Mailgun and Postmark have their strengths and weaknesses. Mailgun is a great choice for freelancers and companies of all sizes, especially those with developers handling emails. Postmark, on the other hand, is an excellent option for agencies, enterprises, and startups, providing easy setup and delivery of transactional emails.

Ultimately, the choice between Mailgun and Postmark will depend on your specific needs and preferences. Consider your email volume, development requirements, and budget when making a decision. If you need further information or personalized recommendations, feel free to contact us through live chat or email.

Rick’s Review of Mailgun Vs Postmark

Mailgun vs Postmark: Choosing the Right Email Provider

If you’re in the market for a new email provider, you may have come across two popular options: Mailgun and Postmark. Both are known for their email deliverability and reliable services. But how do you choose between them? In this article, we will compare the key features of Mailgun and Postmark to help you make an informed decision.

One of the main factors to consider when selecting an email provider is deliverability. After all, what good is an email if it ends up in the spam folder? Many users recommend both Mailgun and Postmark for their high deliverability rates. However, some users have reported that emails sent through certain providers, like Sendgrid, end up in the spam folder. If you’re experiencing this issue, it might be time to switch to a more reliable provider.

Postmark is known for its exceptional deliverability. Users praise its ability to ensure that emails reach the intended recipients’ inboxes. On the other hand, Mailgun also has a good reputation for deliverability, although it may not be as foolproof as Postmark. It’s always a good idea to check the deliverability rates of different providers before making a decision.

Another important consideration when choosing an email provider is the ability to maintain your mailing list. For businesses that regularly send bulk emails, such as newsletters, having a built-in mailing list management system can be very convenient. This is where Mailgun has an advantage over Postmark.

Mailgun provides a user-friendly interface that allows you to manage your mailing lists efficiently. You can easily add and remove subscribers, create segments, and send targeted emails. On the other hand, Postmark lacks built-in mailing list management features. If this is an essential requirement for your business, Mailgun might be the better choice.

When it comes to API popularity, Mailgun takes the lead. The API mailgun-js is widely recognized and used by developers. It offers comprehensive documentation and a range of features that make it easy to integrate email functionality into your application. Although Postmark also has its own API client, it may not be as popular or widely supported as Mailgun’s.

Cost is always a factor to consider when choosing any service provider. Postmark is known to be more expensive than Mailgun. This higher cost can be attributed to the exceptional deliverability and quality of service that Postmark guarantees. If budget is a concern for you, Mailgun offers a more affordable option without compromising on the basics.

Ultimately, the choice between Mailgun and Postmark depends on your specific needs. If deliverability and reliability are your top priorities, Postmark might be the better option for you. However, if you require built-in mailing list management and a more affordable solution, Mailgun could be the right choice.

It’s also worth noting that there are other email providers available in the market. While Mailgun and Postmark are popular choices, it’s always a good idea to explore different options and compare their features and pricing. Some other notable email providers include Sendinblue, SendGrid, and Amazon SES. Each provider has its own unique features and pricing structures, so it’s important to do thorough research before making a decision.

In conclusion, both Mailgun and Postmark are reputable email providers with their own strengths and weaknesses. When choosing between the two, consider factors such as deliverability, mailing list management, API popularity, and cost. By carefully evaluating your requirements and comparing the features of different providers, you can find the email provider that best suits your business needs.

Beth’s Review of Mailgun Vs Postmark

In the world of transactional email tools, Mailgun and Postmark are two popular options. Both offer a range of features to help developers send, receive, track, and store emails effortlessly.

Mailgun boasts features like an optimized queue, scheduled delivery, and MIME assembly, while Postmark offers instant access to infrastructure through the creation of virtual servers, easy integration with APIs, and a beautiful interface for monitoring email activity.

When it comes to choosing between Mailgun and Postmark, developers have different preferences. Some developers appreciate Mailgun’s quick email integration, while others choose Postmark for its simplicity. Both tools have been adopted by popular companies for their transactional email needs. Mailgun is used by companies like reddit, Slack, and Lyft, and has a broad approval rating based on over 1490 company stacks and 268 developer stacks. On the other hand, Postmark is used by companies like, Docplanner, and, and is listed in 67 company stacks and 15 developer stacks.

To get advice on which tool to choose, developers turn to online communities like StackShare. In a discussion thread, developers share their experiences and recommendations. Some developers highlight the time-sensitive delivery and dynamic template features of Twilio SendGrid, while others praise the user-friendly interface and reliability of Postmark. Mandrill, another popular option, is appreciated for its email delivery and beautiful templates. It is worth considering integration capabilities, pricing, template editors, and API completeness when making a decision.

In the StackShare Enterprise community, developers share their decisions on choosing between Mailgun and Postmark. One developer at Friendliest App explains why they chose Postmark, emphasizing its laser-focus on transactional email, developer-friendly documentation, easy integration with ActionMailer, and the ability to create separate servers for different mail streams. Mintere, another company, migrated from Mailgun to Postmark due to slow email delivery and reliability issues. They appreciate Postmark’s time-to-inbox tracking and excellent service.

Ultimately, the choice between Mailgun and Postmark depends on the specific needs and preferences of developers. Some developers value quick integration and simplicity, while others prioritize customizable templates and reliable delivery. Both tools have their pros and cons, and it is important to consider features, user feedback, and company use cases when making a decision.

In summary, Mailgun and Postmark are transactional email tools that offer powerful APIs for sending, receiving, tracking, and storing emails. Developers have different preferences when it comes to choosing between the two, with some appreciating Mailgun’s quick integration and others valuing Postmark’s simplicity. Popular companies use both tools for their transactional email needs. Online communities like StackShare provide valuable advice from developers who have used both tools, highlighting features, reliability, and user-friendliness. Ultimately, the choice between Mailgun and Postmark depends on individual needs and preferences.

Jim’s Review of Mailgun Vs Postmark

Sinch Mailgun and Postmark are two transactional email API services that offer reliable email delivery and tracking. Sinch Mailgun, previously owned by Rackspace and now owned by Sinch, provides transactional email services and offers different pricing tiers starting at $35 per month. Postmark, developed by Wildbit, is known for its focus on transactional emails and shared domain reputation. It has a starting price of $10 per month.

Both Sinch Mailgun and Postmark have their strengths and weaknesses. Sinch Mailgun offers a pay-as-you-go pricing structure and a free tier, making it attractive for startups and small companies. It has a user-friendly SMTP and provides useful statistics about incoming and outgoing emails. However, some users have reported issues with customer service and slow delivery at times.

On the other hand, Postmark stands out for its excellent email deliverability and shared domain reputation. Users have praised its user interface and the ability to have multiple virtual email servers. Postmark has competitive pricing and offers a free trial. However, it lacks some features such as built-in templating and has limited search capabilities.

In terms of usability, Sinch Mailgun has been described as easy to use and integrates well with various content management systems and frameworks. The API is responsive, but the web-based management interface can be slow. Postmark is also user-friendly, with a well-thought-out interface and easy setup. Its API documentation is comprehensive and implementation is quick.

When it comes to support, Sinch Mailgun has received mixed reviews. Some users have had positive experiences with helpful support, while others have reported slow responses and inadequate assistance. Postmark, on the other hand, has been praised for its excellent support and API documentation, which makes implementation easy.

In terms of scalability, both Sinch Mailgun and Postmark have handled increasing email volumes well. Sinch Mailgun has scaled easily with customers’ growing needs, and its pricing has adjusted naturally with their growth. Postmark has consistently delivered reliable performance and has seen improvements in deliverability rates.

Users have reported a positive return on investment with both services. Sinch Mailgun has saved users time and money by eliminating the need for an email server and allowing them to stick with their existing web hosting provider. The pricing of Sinch Mailgun is considered affordable, especially for startups and small companies. Postmark’s focus on email deliverability has resulted in high customer satisfaction and a reduction in time spent on customer service related to undelivered emails.

In conclusion, Sinch Mailgun and Postmark are both reliable transactional email API services. Sinch Mailgun offers a generous pricing structure and useful statistics, but its customer service has received mixed reviews. Postmark excels in email deliverability and support, with a user-friendly interface. The choice between the two depends on specific needs and priorities, such as pricing, deliverability, and user interface.

Dan’s Review of Mailgun Vs Postmark

In this blog post, we will compare two popular transactional email software: Mailgun and Postmark. Mailgun is a powerful email API service that helps developers with sending, receiving, and tracking emails. It offers features like personalization, segmentation, A/B testing, and integrations with SMTP and HTTP API. Mailgun also provides SPF, DMARC, and DKIM customizations to protect against bad actors. It has validation APIs to reduce invalid sign-ups and offers email templates for collaboration. Mailgun integrates with Omnisend, infobip, and for marketing campaigns and customer engagement.

On the other hand, Postmark is a fast and reliable email delivery service trusted by various businesses. It offers a powerful email API that makes it easy to send great emails. Postmark allows users to organize their transactional emails into logical groups called servers and provides guidance on setting up records to protect domain reputation. It supports TLS protocol for secure data transmission and offers real-time integrations with platforms like Mailcoach, Craft Campaign, and Figma.

Both Mailgun and Postmark have various features to enhance email sending and tracking. Mailgun offers features like A/B testing, automated IP warmup, custom metadata, custom reverse DNS, custom spam filter, and more. Postmark provides features like email history, email personalization, email suppression, email tags, multi-factor authentication, and more. Both platforms have webhooks for real-time notifications and support SMTP for faster delivery. They also offer template management and detailed documentation.

In terms of technical details, both Mailgun and Postmark offer 24/7 support, online access, and API integration. Mailgun has data centers in San Antonio, TX, while Postmark has data centers in Newtown, PA. Both platforms offer SaaS/web/cloud deployment and support for mobile platforms like Android, iOS, and Windows.

Pricing for Mailgun depends on the number of emails sent, with plans like Flex, Foundation, Growth, Scale, and Enterprise. The Flex plan offers 5,000 free emails per month for the first three months, and then users only pay for what they send. The Foundation plan starts at $35/month and includes 50,000 emails, while the Growth plan starts at $80/month and includes 100,000 emails. The Scale plan starts at $90/month and includes 100,000 emails, and the Enterprise plan is custom-priced.

Postmark also offers flexible pricing based on the number of emails sent. It has a free Developer plan with 100 test emails per month. The Basic plan starts at $10/month and offers different email volume options. The pricing for higher plans varies based on email volume, and there are optional add-ons like dedicated IPs.

Both Mailgun and Postmark have intuitive interfaces and offer screenshots of their platforms. Mailgun provides one screenshot showcasing its dashboard, while Postmark offers three screenshots showcasing its template management, email template editor, and email template.

Integrations for Mailgun include platforms like WordPress, Slack,, Gravity Forms, and more. Postmark integrates with Mailjet, ActiveCampaign, Resend, Stamp Me, and Amazon SES. It also offers top alternative suggestions for Mailgun and Postmark.

In summary, Mailgun and Postmark are both reputable transactional email software with various features for seamless email sending and tracking. The choice between the two will depend on individual business needs and preference for specific features and pricing plans.

Jennifer’s Review of Mailgun Vs Postmark

Mailgun vs Postmark: Which is Better (+ Alternatives)

When it comes to choosing an email marketing service for your business, it’s important to compare the options and find the best fit. In this article, we will be comparing Mailgun and Postmark, two popular email marketing services, to help you make an informed decision. We will examine the pros and cons of each service, including their cost, speed of delivery, and plan options.

If you’re considering Mailgun for your email marketing needs, it’s worth exploring some alternative providers. While Mailgun’s basic plan is free for up to three months, its paid tier is more suitable for small to midsize companies. Some alternatives to consider include MailJet, Sendinblue, and SMTP2GO. These providers offer similar functionality at lower prices, making them attractive options for businesses on a budget.

Another alternative to Mailgun is MailerSend, a transactional email marketing service founded by the same team as MailerLite. MailerSend offers a free plan for three months or a paid plan for $35 per month, which includes unlimited emails and additional features not offered by Mailgun. Twilio SendGrid is also a viable alternative, offering developer-first email services with excellent deliverability rates and 24/7 support.

Pepipost is another cost-effective alternative to Mailgun that eliminates the need for in-house email servers. With 20,000+ global brands using Pepipost, it offers easy email marketing setup and monitoring at a lower cost than Mailgun. Pepipost also provides 24/7 online chat support for customer assistance.

When it comes to email delivery speed, both Mailgun and Postmark offer reliable services with different features and performance. Mailgun offers advanced deliverability features and customization options, such as SPF, DKIM, and DMARC compliance, as well as batch sending, list management, and spam filtering. It also supports list cleaning and provides analytics, including geo-location performance and event webhooks. On the other hand, Postmark is a paid service with a focus on simple email delivery and a straightforward API. It offers robust tracking capabilities and comprehensive email templates.

In terms of cost, Mailgun offers tiered pricing with a free plan for up to 10,000 emails per month. Beyond that, you’ll need to pay $80 per thousand emails. Postmark, on the other hand, has a free plan and requires a dedicated IP address for sending more than 50,000 emails per month, which comes with an additional fee. While both services are reliable, Mailgun is better suited for larger businesses with more advanced features and customization options.

It’s important to consider the plan options offered by Mailgun and Postmark before making a decision. Mailgun’s plans start at $59 per month, while Postmark’s Starter Plan costs $299 per month. Mailgun also offers an unlimited free trial, while Postmark has a limit of 300 messages per day. Depending on the size of your email marketing campaigns, both services can be viable options, but it’s crucial to understand the pricing and plan details before committing.

In conclusion, both Mailgun and Postmark are reliable email marketing services with their own strengths and weaknesses. Mailgun is more customizable and offers advanced features, making it well-suited for larger businesses. Postmark, on the other hand, is simpler and more affordable, making it a good choice for smaller businesses. Consider your specific needs and budget to make the best choice for your business.

About Content Marketing Up:
Content Marketing Up is a trusted resource for digital marketers and creative writers. Their team of 12 experts focuses on helping businesses automate processes, generate leads, and increase revenue. They provide in-depth reviews and step-by-step guides on the best digital marketing software and tools available.

Mailgun vs Postmark: Which is the best email API?
MailerSend – Transactional Email Service
Pepipost – Transactional Email Service
Twilio SendGrid – Transactional Email Service
Mailjet – Transactional Email Service
Sendinblue – All-in-One Email Marketing Platform
SMTP2GO – Email Service Provider
Amazon SES – Cloud-Based SMTP Email Service
SparkPost – Email Delivery Service
Content Marketing Up – About Us

Avatar photo

Through his pioneering work in email marketing, SMTP server management, and system administration, Dan Parker has left an enduring mark on the industry. His expertise has enabled countless businesses to achieve their email marketing goals, driving revenue and customer engagement. His dedication to staying at the forefront of technological advancements has made him a role model for aspiring professionals in these fields.

Today, Dan continues to consult with businesses, sharing his knowledge and helping them stay at the cutting edge of email marketing and system administration. His career is a testament to the power of dedication, innovation, and a passion for technology, and he remains an influential figure in the world of email marketing and IT infrastructure.

Back To Top