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This Mailgun review is for developers and businesses that need to send transactional or bulk email reliably from their apps. Mailgun is a US email infrastructure company founded in 2010, now owned by Sinch, offering a transactional email API and SMTP relay plus email validation, with a free tier and paid plans from around $15 per month. If you send email at scale, this Mailgun review will help.
Key takeaways
- Mailgun is a developer email infrastructure provider founded in 2010, owned by Sinch.
- It offers a transactional email API, SMTP relay and email validation.
- It has a free tier, with paid plans from around $15 per month.
- Best for developers and businesses that send transactional or bulk email.
What is Mailgun?
Mailgun is an email sending service built for developers. Instead of hosting your website, it handles the infrastructure for sending email from your applications, such as password resets, receipts, notifications and marketing messages. You connect via an API or SMTP, and Mailgun manages deliverability, sending reputation and the technical details that make email reliably reach inboxes.
The appeal is reliable email at scale. For apps and businesses that need to send large volumes of transactional or bulk email and have it actually arrive, Mailgun provides the sending infrastructure and tools to do it, working alongside your host.
Mailgun features
Key features include a transactional email API and SMTP relay for sending from your apps, email validation to clean lists and reduce bounces, analytics on deliverability and engagement, and tools to manage sending domains and reputation. US and EU sending regions help with data residency and performance.
For developers, that combination of a solid API, deliverability focus and validation is the core draw. It takes the hard parts of email sending off your plate so messages reach inboxes reliably.
Mailgun pricing
Mailgun offers a free tier for low volumes, with paid plans starting around $15 per month and scaling by the number of emails you send. Higher volumes and advanced features cost more. Because pricing scales with sending volume, check the official Mailgun site and estimate your email needs before committing.
When comparing email providers, look at per email pricing at your volume, deliverability features and validation, since those drive the real value for reliable sending.
Pros and cons
On the plus side: a strong developer API and SMTP relay, good deliverability focus, email validation, useful analytics, and US and EU regions. For apps that send a lot of email, it is a capable choice.
On the downside: it is email infrastructure, not a web host, so you still need somewhere to host your site, and it is aimed at developers rather than non technical users. Small sites sending little email may not need it. Match it to your needs.
Who is Mailgun best for?
Mailgun is best for developers and businesses that need to send transactional or bulk email reliably from their apps, on top of their existing host. This Mailgun review is a strong match for that group. For actual website hosting, you still need a web host.
Frequently asked questions
Is Mailgun a web host?
No. Mailgun is email sending infrastructure that works alongside your existing web host, handling email from your apps.
What is Mailgun used for?
Mailgun is used to send transactional and bulk email from applications via an API or SMTP, with email validation and deliverability tools.
How much does Mailgun cost?
Mailgun has a free tier, with paid plans from around $15 per month that scale by sending volume. Check the official site for details.
Does Mailgun help deliverability?
Yes. Mailgun focuses on deliverability, managing sending reputation and offering validation to reduce bounces and reach inboxes.
The bottom line
Mailgun is a capable email sending platform for developers and businesses that need reliable transactional or bulk email. Just remember it complements rather than replaces your host. Compare actual hosts in our hosting reviews. For background on transactional email, see Wikipedia.