About Mailgun

Mailgun is a cloud-based transactional email API service designed to help developers send, track and receive emails from websites or applications. Features include inbound email routing, A/B testing, batch sending, email personalization and scheduling. 

The solution enables users to verify email domain names using SPF and DKIM records and maintain an authenticate mailing list in order to avoid fake/invalid addresses and ensure correct email deliverability. Using the analytics feature, marketers can gain insights into high-performing subject line and content, click-through rate (CTR) and customer's viewing patterns. Team members can utilize the send time optimization feature to determine the suitable time for launching campaigns.  

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Supported Operating System(s):

Web browser (OS agnostic)

82 Reviews of Mailgun

Average User Ratings

Overall

4.55 / 5 stars

Ease-of-use

4.5

Value for money

4.5

Customer support

4.0

Functionality

4.5

Ratings Snapshot

5 stars

(59)

59

4 stars

(15)

15

3 stars

(5)

5

2 stars

(0)

0

1 stars

(3)

3

Likelihood to Recommend

Not likely

Very likely

Showing 1 - 5 of 82 results

April 2020

Lucas from MOM+POP, Ltd.

Verified Reviewer

Company Size: 1 employee

Industry: Information Technology and Services

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Functionality

5.0

April 2020

Bare-bones but super reliable and easy to use.

I use several different email service providers, each for a different reason. I use Mailgun almost exclusively for inbound mail processing. The inbound processing also offers a preliminary spam filter so that at least most of the spam isn't sent further down my process chain. It's super easy to set up inbound routes using specific strings or wildcard matches that will accept mail and forward to multiple different recipients. These recipients can be either proper email addresses or webhook endpoints. I often use the address forwarders in combination with the SMTP outbound service to build a system where Gmail users can use their free gmail.com account to receive and send emails from their small business domain without having to sign up for and configure a proper G Suite account. I use the webhook forwarders in combination with Zapier and Integromat to receive any emails that need to be processed and automatically acted on. Mailgun normalizes all the different types of email and attachment encodings and packages the message data into an easy-to-parse JSON package that makes it super easy for me to grab what I need and reliably act on the normalized data.

Pros

Inbound mail processing with spam filter Free tier offers great sending limit SMTP and API integration for outbound messaging

Cons

This product doesn't offer any sort of backend mail building or sending functionality. It's only an engine for sending messages. This means you'll have to build your messages somewhere else and integrate them into your sending code.

Reasons for Choosing Mailgun

The pricing structure for Mailgun was a much better fit for my specific needs of inbound mail processing. Mandrill provides inbound mail as part of a much larger and more complete service offering that was not necessary for my use case. I simply wanted a service that would accept, process, and forward messages without all the other tools built into Mandrill.

December 2019

Brandon from Brandon Mushlin Creative

Verified Reviewer

Company Size: 2-10 employees

Industry: Marketing and Advertising

Time Used: Less than 12 months

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

December 2019

Incredible Deliverability, Clean Platform, Success with MailGun!

Super pleasant, great chat support, fast email support replies, always quick to help and communicate.

Pros

Clean UXI for navigating the system, simple set up, clear dashboard to find issues quickly and navigate around the site. Ability to clean database lists to minimize bounce. However, the BEST part is they are free up to 10,000 emails a month, which is a ton! So to give the full custom power of connecting your domain and sending out, that's a huge value. I will get over that limit and upgrade soon, but that is an incredible way to start a relationship. Almost a year of free service to use their system versus my server.

Cons

I actually have not found anything that I do not like. Many will complain about high bounce rates or going into spam. I find that issue arrises on multiple factors outside of mailgun control, such as the receiving server, and the mail habits of the person opening it, do they get a bunch of spammy mail already? And was the mail piece written in a poor nature, this increases spam folder direction, however, they do have dedicated IP service for those wanting to mitigate one area of cause for spam direction. Again, never been my experience.

Reasons for Choosing Mailgun

Again, the main required integration for our CRM, and that is perfectly fine with us because it is smooth operating on the free account, I'm sure will be great on dedicated IP account.

August 2018

Joshua from Chief Supply, Tafford Uniforms, and Lydia Uniforms

Verified Reviewer

Company Size: 51-200 employees

Industry: Public Safety

Time Used: More than 2 years

Review Source: GetApp


Ease-of-use

1.0

Value for money

1.0

Customer support

1.0

Functionality

1.0

August 2018

They Delete your account without warning

Pros

Sends emails, sometimes. Most of the time it took a while to get the emails sent. They have a free plan, but limited.

Cons

Free plan is no good Emails have delays all the time Shared IP has issues with spam all the time, good luck sending to yahoo or other big companies They will delete your account if they do not make money from you Customer Service is hard to contact, and when you do, it takes them 24 hours for each response

May 2020

Greg from Gunners Project LLC

Verified Reviewer

Company Size: 1 employee

Industry: Retail

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

4.0

Value for money

4.0

Customer support

4.0

Functionality

5.0

May 2020

Mailgun is great!

Overall I have been super satisfied with using Mailgun to handle all the mail processing from my website.

Pros

Mailgun has a great API and ability to configure just about anything you need when it comes to sending email. Their UI is very clean and it isn't super cluttered with things you don't need. It was easy to find what I was looking for and easy to configure the settings.

Cons

Honestly, I haven't been able to find something that I haven't liked about using Mailgun. It is really a solid platform.

December 2019

Cristian from Swapps

Verified Reviewer

Company Size: 11-50 employees

Industry: Telecommunications

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

4.0

Functionality

5.0

December 2019

Simplify your email sending

We use mailgun for all of our transactional email. We manage, from a single account, a lot of our domains. We always have detailed insight into what is happening with our email deliveries. When things go wrong, there is enough information to find the cause.

Pros

Ease of setup. Transparent pricing. Free tier goes up until a really high scale. Can use it via API or smtp, whatever you need.

Cons

Support is a little slow for non paying plans, but that is expected. There are no alarms in place for when something starts going wrong unexpectedly.