Mailgun Alternatives
Email Delivery · 7 compared · Updated
Looking to replace Mailgun? These are the 7 closest Email Delivery alternatives we track, ranked by reviewed capability overlap — the closest matches come first.
- Closest match
- Amazon SES
- Direct replacements
- 2 of 7
- Pricing
- Usage-based · Freemium · Custom
- Typical switching effort
- Medium
No referral fees. Ordering is by reviewed capability overlap, not who paid us.
What Mailgun is, in short
Mailgun (part of Sinch/Pathwire) is a developer-focused email API, competing with SendGrid (Twilio), Amazon SES, and Postmark in the email infrastructure space. It provides SMTP and REST APIs for sending transactional and bulk email, with advanced features like email validation, inbound routing, and detailed delivery analytics. Mailgun's strength is its developer experience and email-specific tooling — particularly email validation (verifying addresses before sending), inbound email processing (routing received emails to webhooks), and detailed SMTP logs. It is ideal for engineering teams building applications that need reliable email delivery with fine-grained control. Compared to SendGrid (broader marketing features, Twilio ecosystem), Mailgun is more developer-focused and offers better email validation.
Versus Amazon SES (cheapest per-message), Mailgun provides a better developer experience and more features at slightly higher cost. Buyers should choose Mailgun for transactional email in applications where developer experience and email validation matter. For marketing email with visual editors, SendGrid or Mailchimp are better choices. For maximum cost efficiency at scale, Amazon SES is cheaper. Consider Postmark for best-in-class transactional deliverability.
Mailgun alternatives compared
Ranked by reviewed relationship first — a tool we've confirmed as a direct replacement outranks one that merely shares capabilities. Tools we've reviewed as complements to Mailgun are excluded, because running both is not the same as replacing it.
Scroll the table sideways for switching effort and pricing →
| Vendor | Shared capabilities with Mailgun | Switching effort | Pricing | Also strong in | Compare |
|---|---|---|---|---|---|
| | Direct replacement Email Delivery Transactional Email Both primarily provide email sending infrastructure for transactional and bulk delivery, and most companies only need one provider of record. | Medium | Usage-based | — | vs Amazon SES |
| | Direct replacement Email Delivery Marketing Email Transactional Email Both are email delivery providers used by the same technical buyer to send and manage email (especially transactional), and most companies standardize on one sender infrastructure. | Medium | Usage-based | Marketing Email | vs Twilio SendGrid |
| | Partial overlap Email Delivery Marketing Email Transactional Email Both can send marketing and transactional email, but Brevo is a broader marketing/CRM suite while Mailgun is focused on developer-centric email delivery and deliverability controls, so orgs sometimes run both for different email types. | Medium | Freemium | Contact / Account Management Marketing Email | About Brevo |
| | Partial overlap Email Delivery Transactional Email Both can send email, but MessageBird is built as a multi-channel CPaaS (SMS/WhatsApp/voice) while Mailgun is a specialized email infrastructure provider. | Medium | Usage-based | SMS / MMS Conversational (Chat / WhatsApp / RCS) | About MessageBird |
| | Partial overlap Email Delivery Marketing Email Both can send marketing email, but Salesforce Marketing Cloud is a full cross-channel marketing suite while Mailgun is a delivery-first platform often kept for transactional and deliverability control. | Medium | Custom | Journey Orchestration Multi-channel Messaging | About Salesforce Marketing Cloud |
| | Email Delivery | — | Custom | Journey Orchestration Campaign Management | About MoEngage |
| | Marketing Email | — | Freemium | Marketing Email Journey Orchestration | About HubSpot Marketing Hub |
What to look for in a Mailgun alternative
Mailgun’s core capabilities — check each alternative for coverage of these before shortlisting:
- Email Delivery
- Transactional Email
Mailgun alternatives — FAQ
What is the best alternative to Mailgun?
Amazon SES is the closest match among the 7 Email Delivery alternatives we track. It shares 2 of Mailgun’s core capabilities (Email Delivery, Transactional Email). Both primarily provide email sending infrastructure for transactional and bulk delivery, and most companies only need one provider of record. The right choice depends on your existing stack — compare all 7 in the table above.
What should I look for in a Mailgun alternative?
Mailgun’s core strengths are Email Delivery, Transactional Email. Prioritise alternatives that cover the capabilities you actually use, and that integrate cleanly with the rest of your stack — a replacement that doesn’t connect to your warehouse, CDP, or activation tools isn’t really a replacement.
How much do Mailgun alternatives cost?
Pricing varies — alternatives here range across Usage-based, Freemium, Custom. Check each vendor’s page for current rates.
How hard is it to migrate off Mailgun?
Across the alternatives on this page, the typical switching effort is medium. Expect to remap configuration and re-verify downstream integrations, but not to rebuild your data model from scratch. The switching-effort column above shows the per-vendor judgement.
Can I compare Mailgun and Amazon SES side by side?
Yes. Drop both onto a canvas in Martech Stack Builder and see how each integrates with your warehouse, CDP, and activation tools — then score them against your actual requirements before deciding.
Mailgun head-to-head
Deciding between two specific tools? See the full side-by-side capability comparison:
Compare the rest of the field
Evaluating more than one? These follow the reviewed substitute graph rather than the category shelf, so they cross categories where the tools genuinely compete.
Before you replace Mailgun, check what you already own
Teams usually find the overlap is not where they expected. Name the tools you run and the Instant Stack Audit maps which ones duplicate capability — inside Email Delivery and across the rest of the stack.
Takes about two minutes. Your overlaps and a savings estimate are free — no sign-up. An email address unlocks the costed roadmap.
Browse all Email Delivery vendors
Stack Builder’s Email Delivery page compares every vendor we track in this category, with capabilities, pricing, and a head-to-head for the closest pairs.
View all Email Delivery vendors →Evaluating Mailgun alternatives? Do it in your stack’s context.
Drop Mailgun and the alternatives onto a canvas, see how they integrate with what you already have, and score them against your actual requirements — not a generic feature list.
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