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MailGun Review 2026
Powerful email API for web and mobile applications
Free
Starting Price
13
Plans Available
7
Features
3
Support Channels
MailEyes Verdict
Developer-first transactional email API with strong deliverability and validation tools.
Best for: Developers and SaaS apps needing programmatic email sending with API control.
✅ Pros
- Powerful REST API and SMTP relay
- Email validation and verification API included
- Inbound email parsing for support apps
- Dedicated IPs and managed deliverability
- Strong analytics and event tracking
⚠️ Cons
- Marketing UI weak vs dedicated marketing tools
- Free tier limited (100 emails/day for first 3 months)
- Pricing increases with bundled add-ons (validation, dedicated IP)
👍 When to choose MailGun
Choose Mailgun for API-driven transactional email at scale, especially when email validation is needed (form signup verification).
👎 When to avoid
Avoid for marketing campaigns (use Mailchimp/Kit), small senders (Postmark cheaper at low volume), non-technical users.
📊 vs Competitors
Comparable to SendGrid. Less marketing-focused than Brevo or Mailchimp.
📋 MailGun Pricing Plans
| Plan | Monthly | Yearly | Contacts | Emails/mo | Type | |
|---|---|---|---|---|---|---|
| Free | Free | — | Unlimited | 3,000 | Free | Get Started |
| Scale 10,000 | $90 | — | Unlimited | 10,000 | Trial | Get Started |
| Foundation 100,000 | $75 | — | Unlimited | 100,000 | Trial | Get Started |
| Foundation 50,000 | $35 | — | Unlimited | 50,000 | Trial | Get Started |
| Foundation 10,000 | $35 | — | Unlimited | 10,000 | Trial | Get Started |
| Scale 2,500,000 | $1250 | — | Unlimited | 2,000,000 | Trial | Get Started |
| Scale 1,000,000 | $700 | — | Unlimited | 1,000,000 | Trial | Get Started |
| Scale 750,000 | $550 | — | Unlimited | 750,000 | Trial | Get Started |
| Scale 500,000 | $400 | — | Unlimited | 500,000 | Trial | Get Started |
| Scale 250,000 | $215 | — | Unlimited | 250,000 | Trial | Get Started |
| Scale 100,000 | $90 | — | Unlimited | 100,000 | Trial | Get Started |
| Scale 50,000 | $90 | — | Unlimited | 50,000 | Trial | Get Started |
| Basic | $15 | — | Unlimited | 10,000 | Paid | Get Started |
⚡ Features
✓SMTP
✓Analytics
✓SPF/DKIM
✓GDPR
✓A/B Testing
✓Segmentation
✓AI Support
🎯 Best For
Free Forver Plan
API & Developer Friendly
Transactional Email
Developer
Solo Creator
Newsletter
Automated Flows
Cold Outreach
Product Launch
Lead Nurturing
High Deliverability
Analytics & Segmentation
📊 Quality Scores
Features & Functionality2.9/5
Email Deliverability2.8/5
Customer Support2.8/5
Value for Money3.0/5
🔗 Compare with similar tools
Mailer Lite
Easy email marketing with affordable pricing
Free plan
Brevo
Email, SMS & WhatsApp marketing in one platform
Free plan
Active Campaign
Marketing automation platform with built-in CRM
From $391/mo
MailGun sounds right for you?
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