Tools / Mailgun

Mailgun

Email APIs for sending, receiving, and parsing.

Screenshot of Mailgun website
mailgun.com, homepage
Mailgun is a transactional email API service for developers, part of Sinch (the site's logo pairs the two brands). The homepage is organized around four product areas: Send (an email API for sending,…From the listing

About Mailgun

Mailgun is a transactional email API service for developers, part of Sinch (the site's logo pairs the two brands). The homepage is organized around four product areas: Send (an email API for sending, with inbound message parsing and connections to CRMs or other data tools), Optimize (a deliverability suite the site describes as combining applications and expertise), Validate (a real-time email validation API plus drag-and-drop list cleaning to remove invalid and high-risk addresses), and Inspect (email preview and quality-assurance tools built on Email On Acid technology, including accessibility checks). The site says Mailgun scales from thousands to millions of emails and cites customer results including 21% fewer bounces, 65% higher open rates, and 100% more clicks. It also references a Forrester study modeling potential improvements for a composite customer, and carries a testimonial from Michael Sacca, VP of Product at Dribbble, on deliverability at volume.

Website: https://mailgun.com Category: Transactional Email

What it does

Mailgun is a transactional email API service aimed at developers. It's part of Sinch — the site's logo shows the two brands together.

The homepage breaks the product into four areas:

  • Send — an email API for sending messages. Mailgun says it handles everything from thousands to millions of emails, can parse incoming messages, and can connect email data to a CRM.
  • Optimize — "Mailgun Optimize," described as a deliverability suite that combines applications with expertise.
  • Validate — email validation through a real-time API, or by dragging and dropping lists to remove invalid and high-risk addresses. The site claims this is the fastest validation service on the market.
  • Inspect — email preview and quality-assurance tools built on technology from Email On Acid, including checks for common accessibility issues.

Claims worth noting

These come from Mailgun's own homepage, not independent measurement:

  • Customer results of 21% decreased bounces, 65% increased open rates, and 100% increased clicks.
  • A Forrester study, based on interviews with customers, modeling potential improvements for a composite customer.
  • A testimonial from Michael Sacca, VP of Product at Dribbble, about the impact of deliverability at their sending volume.

FAQ

Who owns Mailgun? The site's logo pairs Mailgun with Sinch, indicating Mailgun is part of Sinch.

Does Mailgun handle inbound email? Yes. The homepage lists parsing incoming messages among its capabilities.

Does Mailgun include email validation? Yes. You can validate addresses in real time via an API, or upload lists to strip out invalid and high-risk addresses.

Can I preview emails before sending? Yes. Mailgun Inspect includes preview tools from Email On Acid, along with accessibility checks.

How much does Mailgun cost? The homepage doesn't show pricing. Check mailgun.com for current plans.

Is there a free trial? The scraped homepage doesn't mention one.

Alternatives

  • SendGrid — Transactional and marketing email APIs from Twilio.
  • Postmark — Transactional email that lands in the inbox, fast.
  • Resend — The email API developers actually like.
  • Amazon SES — Email at scale for nearly free.

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