
MailChimp
Postmark
Brevo
Twilio
Resend
Mailjet
MailerLite
A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

Linode
DigitalOcean
Microsoft Azure
Amazon EC2
Vultr
Bluehost
Google Compute Engine
OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

Which is more popular?
Based on our record, Mailgun should be more popular than OpenStack. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mailgun.com | openstack.org |
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| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
OpenStack is particularly recommended for large enterprises, organizations with skilled IT teams, academic institutions, and service providers that need a highly customizable and scalable cloud solution. It's also a great fit for entities with specific compliance requirements or those that need to run a private cloud with tailored configurations.
Walkthroughs and reviews on video.
Introducing the new Mailgun
More videos
OpenStack Summit Primer, The Who, What, Why and How of OpenStack
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mailgun and OpenStack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Mailgun’s one dedicated IP address starts with the Foundation plan ($35) for 100k emails and up ($75). You might consider going for the growth plan ($80) already with 1000 email address validations included.
Mailgun SMTP is receiving 5 star reviews from people around the world. They are showering all the love, and support on Mailgun for their excellent service, features and usability.
Mailgun is an email infrastructure and transactional email platform built for developers that need a simple email API integration to send, receive, and track email with their app regardless of what programming...
OpenStack is a cloud framework. It provides users and enterprises with horizontal scale infrastructure. Its tools allow you to compute, store and share data and resources. It also provides self-service administration...
Recommendations tracked on public social media and blogs since March 2021.


Mailgun from Sinch is a well-established, developer-focused email service that's been in business since 2010. It powers email delivery for some large, well-known companies including Lyft, American Express, and Wikipedia. As a... - Source: dev.to / almost 3 years ago
In this Mailgun integration example we'll show how easy it is to create and deploy a complete serverless backend that integrates with the Mailgun SaaS API for sending email messages to your users. - Source: dev.to / over 3 years ago
Another solution to this problem is relaying through services which will do the heavy lifting for you (this was been discussed in the original thread, here and in the article I wrote). So far people have suggested - ImprovMX... - Source: Hacker News / about 4 years ago
In my first post, I looked into what is OpenStack and how, if done right, can be quite a powerful ally in our cloud deployment strategies. In this post, I want to start looking at how we can create an application to learn the basics and... - Source: dev.to / over 5 years ago
While searching for solutions and documentation on the various problems I've come across, I would often see references to OpenStack and it got my curiosity going. What is OpenStack? What services does it offer and who owns it? How do I... - Source: dev.to / over 5 years ago
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Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.
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Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.
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Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
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Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.
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