G2 Vendor Directory

Mailgun

by Sinch

322

Reviews

4.2

Star rating

#26

Rank in Transactional Email

Pros and cons

Pros

  • Ease of Use
  • Reliability
  • Deliverability
  • Features
  • API Quality
  • Accuracy

Cons

  • Expensive
  • Email Issues
  • Learning Curve
  • Poor Customer Support
  • Pricing Issues
  • Missing Information

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines for Mailgun.

Page views and citations · Mailgun

Source: G2 review data

Key stats

+0.0%

58

Small Business

4

Adoption by company size

SegmentShare of reviews
Small Business80.6%
Mid-Market14.6%
Enterprise4.8%

Quarterly history

QuarterReviewsStar rating
2024 Q423.3
2025 Q121.8
2025 Q221.8
2025 Q373.0
2025 Q4114.9
2026 Q125.0
2026 Q224.5
2026 Q325.0

Satisfaction ratings

Ease of Use8.9
Ease of Setup8.9
Quality of Support8.4
Meets Requirements9.0

What reviewers say

Easy Squarespace Integration, Fair Pricing, and Fast Support

5.0

“easy integration fair price. great support, I had an issue during my onboarding with my account validation due to a sms issue I guess cause problems with the service in country and the problem was fixed quickly and I was satisfied also the integration with squarespace made s”

CEO

Easy Setup, Flexible SDKs, and a Rich Email Tracking Dashboard

5.0

“Very easy to set up, with a variety of SDKs to integrate into my codebase. It also has a rich dashboard for tracking emails and creating custom HTML templates.”

SDE -1

Effortless Email Automation with Top-Notch Deliverability

4.0

“I use Mailgun for all our automated reports, welcome invites to users, and even password reset emails. What I like most about Mailgun is its simplicity. Their deliverability is incredible, especially when compared to our other more marketing-based email system. The initial setup ”

Customer Success Rep