8 Best Mailgun Alternatives in 2026 (Tested and Compared)

Mailgun has been the go-to email API for developers since 2010, but many teams now want more than a send-only API. Pricing is steeper than it used to be, and the dashboard still looks like it did five years ago. If you've watched your bill climb past $90/month while support takes days to respond, you're not alone.

This guide covers eight solid Mailgun alternatives worth testing in 2026: Dreamlit, Resend, SendGrid, Postmark, Amazon SES, Brevo, Loops, and Mailjet. Real pricing, honest pros and cons, and a comparison matrix so you can pick what fits your stack.

Last validated: April 23, 2026. Pricing, free-tier limits, and product availability claims below were checked against the official provider pricing pages and docs linked in References.

Why Teams Are Exploring Alternatives to Mailgun

Mailgun still ships emails reliably at scale, but four issues keep pushing teams to look elsewhere.

Pricing jumps at scale get ugly fast. Foundation is $35/month for 50K emails, and Scale is $90/month for 100K. Once you move beyond the included volume, overages can add up quickly.

No workflow orchestration, just an API. Mailgun sends emails. That's it. Want a welcome sequence, trial-ending reminder, or re-engagement flow? You're building it with webhooks, cron jobs, and glue code. No visual builder, no database triggers, no AI assist.

The UX feels stuck in 2019. G2 reviews call out a dated dashboard, confusing log navigation, and a template editor that hasn't kept pace with Resend or Postmark.

It's a developer-only tool. Every setup path assumes someone who reads API docs and wires up webhooks. PMs, founders, and ops folks can't configure Mailgun without engineering help, which creates bottlenecks for simple changes.

Top Mailgun Alternatives Compared

1. Dreamlit

Dreamlit is an AI email agent that sits on top of your Postgres or Supabase database. You describe what you want in plain English ("send a welcome email when a user signs up, then a feature tip three days later if they haven't logged in"), and the Workflow Agent generates the triggers, templates, and copy for you. Delivery runs through AWS SES, so you get enterprise-level deliverability without managing SES yourself.

Where Mailgun makes you build workflow logic from scratch with webhooks and your own backend, Dreamlit reads your schema, watches for row changes, and handles the orchestration. Auth emails, transactional sends, scheduled campaigns, onboarding sequences, and broadcasts all live in one place. Non-developers can configure flows without touching code, which kills the engineering bottleneck that plagues Mailgun teams.

Feature highlights:

• Natural-language workflow builder powered by AI
• Native Postgres and Supabase triggers with read-only DB access
• AWS SES delivery with custom domains on every plan, including free
• End-to-end encryption, SOC 2 and GDPR-aligned security
• Template generation from plain-English briefs
• Handles auth, transactional, scheduled, and broadcast emails

Pricing:

• Free: 100 notifications/month, unlimited custom domains
• Pro: $20/month for 3,000 notifications
• Scale: $79/month for 100,000 notifications
• Enterprise: custom

Pros:

• Ships workflows in minutes, not days
• Non-developers can configure email flows end to end
• Scale tier ($79 for 100K) beats Mailgun's Scale plan ($90 for 100K) and includes AI
• Database-native means no webhook plumbing

Cons:

• Newer tool, smaller community than Mailgun
• No inbound email parsing or routing
• Not built for dedicated-IP high-volume marketing sends above 1M/month

Dreamlit vs Mailgun

2. Resend

Resend is the developer-darling email API that launched in 2023 and grew fast by copying what Mailgun got wrong: clean docs, a slick dashboard, and React Email templates. It's purpose-built for transactional sends with a modern SDK in every major language.

Pros: Beautiful DX, React Email integration, fast support on paid tiers, clean audit logs.

Cons: Still API-first with no workflow builder or database triggers. Marketing features trail competitors, and higher-volume tiers add cost quickly.

Pricing: Free tier covers 3,000 emails/month (100/day cap). Pro starts at $20/month for 50K. Higher-volume tiers and dedicated IP options add cost from there.

3. SendGrid

SendGrid (owned by Twilio) is the volume player. If you're sending millions of emails and need dedicated IPs, subuser management, and SAML SSO, it's still a safe pick. The tradeoff is a clunky UI and a reputation for throttling new senders during warm-up.

Pros: Handles huge volumes, mature analytics, built-in marketing campaigns module, strong deliverability on warmed IPs.

Cons: New direct accounts now get a 60-day trial instead of a permanent free plan. Support on lower tiers is limited. API feels dated next to Resend.

Pricing: Essentials $19.95/month for 50K emails. Pro $89.95/month for 100K with dedicated IP and SSO. Premier and Enterprise are quote-based.

4. Postmark

Postmark earned its reputation on transactional deliverability. It separates transactional and broadcast streams, offers linear overage pricing (no surprise bills), and has the cleanest log viewer in the category. ActiveCampaign acquired Postmark in 2022 but kept the product focused.

Pros: Industry-leading inbox placement for transactional, excellent logs, predictable overage pricing, inbound parsing on Pro and Platform tiers.

Cons: Expensive at scale ($55 for 50K vs SendGrid's $20). No AI or workflow features. Broadcast/marketing capabilities are basic.

Pricing: Basic $15/month, Pro $16.50/month, Platform $18/month, all including 10K emails. Overages run $1.20 to $1.80 per 1,000 depending on tier.

5. Amazon SES

SES is the cheapest way to send email if you can handle the setup. At $0.10 per 1,000 emails, 100K sends costs ten bucks. But you're responsible for IP warm-up, bounce handling, complaint monitoring, and building any UI yourself.

Pros: Rock-bottom pricing, AWS-grade infrastructure, integrates natively with other AWS services, unlimited scale.

Cons: No dashboard worth using, no templates editor, bounces and complaints are your problem, new accounts land in a sandbox with 200 emails/day until approved. Not for non-technical teams.

Pricing: $0.10 per 1,000 emails sent. Standard dedicated IPs cost $24.95 per address per month. Managed dedicated IPs start at $15 per account per month plus $0.08 per 1,000 emails.

6. Brevo

Brevo (rebranded from Sendinblue in 2023) mixes transactional email with marketing automation, SMS, and a CRM. It's positioned for small-to-mid businesses who want one tool instead of five.

Pros: Generous free tier (300 emails/day), multichannel features, visual automation builder, affordable at small scale.

Cons: Transactional deliverability lags Postmark and Mailgun. The UI tries to do too much and gets cluttered. Support quality varies by tier.

Pricing: Free for 300 emails/day. Starter runs $9 to $69/month based on send volume. Standard starts at $18/month, Professional at $499/month, and Enterprise is custom.

7. Loops

Loops is built specifically for SaaS companies, with transactional and marketing email under one roof and pricing based on subscribed contacts instead of send volume. As of 2025, transactional email is unlimited on every paid plan.

Pros: Unlimited sends on paid plans, clean SaaS-focused workflow builder, good audience segmentation, modern UI.

Cons: Contact-based pricing hurts if you have a big list but send infrequently. Limited integrations outside the SaaS stack. No inbound parsing.

Pricing: Free plan covers 1,000 subscribers and 4,000 sends with a "Powered by Loops" footer. Paid plans start at $49/month and include unlimited transactional.

8. Mailjet

Mailjet (now part of Sinch) offers transactional and marketing tools, a drag-and-drop editor, and real-time template collaboration. It's popular with European teams due to EU data hosting.

Pros: EU-hosted servers, collaborative template editor, decent API, fair pricing at small volumes.

Cons: Deliverability is mid-tier. Feature development has slowed since Sinch acquired it. Dashboard feels bolted together from multiple products.

Pricing: Free for 6,000 emails/month (200/day). Paid plans start at $9/month for 8K emails and scale to Premium and Custom tiers.

Detailed Feature Comparison

Which Tool Is the Best Mailgun Alternative?

The honest answer is it depends on what you need Mailgun to do.

If you want AI-driven workflows, database-native triggers, and a tool your non-technical teammates can actually use, Dreamlit is the strongest replacement. You get AWS SES delivery, plain-English setup, and $79/month for 100K sends versus Mailgun's $90.

If you're a developer who just wants a cleaner API for transactional sends and you'll build any workflow logic yourself, Resend is a close second. It's the best pure-API experience on this list.

For teams sending at true volume (5M+ emails/month) with dedicated IP requirements, SendGrid or Amazon SES make more sense. SES wins on raw cost, SendGrid wins on tooling.

If transactional deliverability is life-or-death and you're fine paying for it, go Postmark. Nothing beats it for password-reset and receipt emails.

And if you need inbound email parsing specifically (the one thing Mailgun does well that most alternatives skip), you're looking at Mailgun, SendGrid, Postmark, or Mailjet. That's a narrower list.

References

• Mailgun pricing
• Twilio SendGrid trial plan
• Twilio SendGrid pricing
• Postmark pricing
• AWS SES pricing
• Brevo pricing plans
• Loops free plan
• Loops transactional email update
• Mailjet pricing
• Resend account quotas and limits
• Resend pricing

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Frequently asked questions

Is there a free Mailgun alternative with unlimited custom domains?

Yes. Dreamlit's free plan includes unlimited custom domains plus 100 notifications/month. Most alternatives (Resend, Postmark, Brevo) cap free-tier domains at one or two. Amazon SES supports unlimited verified domains but requires manual DNS and IP management.

Which Mailgun alternative has the best deliverability in 2026?

Postmark is widely regarded as one of the strongest specialists for transactional inbox placement. Amazon SES and Resend also perform strongly when properly configured. In practice, domain setup, list quality, and sending patterns matter as much as the provider.

Can I migrate from Mailgun without rewriting my code?

Partially. Resend and Postmark offer Mailgun-compatible SMTP endpoints, so swapping credentials is often enough. Dreamlit works differently: you connect your database and describe workflows in English, replacing Mailgun webhooks and your custom backend logic entirely rather than matching its API.

What's the cheapest Mailgun alternative for 100K emails per month?

Amazon SES at roughly $10 is the cheapest if you can handle self-management. Brevo ($49) and Loops ($49+) come next on the managed side. Dreamlit's Scale plan at $79/month includes AI workflow orchestration, which no other option at that price offers.

Does any Mailgun alternative support AI-generated email workflows?

Dreamlit is the only tool on this list with AI that generates triggers, templates, and copy from plain-English descriptions. Others have basic automation builders (Brevo, Loops, Mailjet) but require you to write copy and configure logic manually.

How does Mailgun compare to Amazon SES for developers?

SES costs about 10x less per email but provides no dashboard, no template editor, and no managed deliverability monitoring. Mailgun handles IP warm-up, bounces, and compliance for you. If you have DevOps capacity, SES wins on cost; if you don't, the operational overhead eats the savings.

Which alternatives handle inbound email parsing?

Mailgun, SendGrid, Postmark (on Pro and Platform tiers), and Mailjet all support inbound parsing. Dreamlit, Resend, Brevo, Loops, and Amazon SES (without custom Lambda work) don't offer inbound as a first-class feature.

Is Dreamlit actually production-ready for transactional email?

Yes. Delivery runs on AWS SES, which powers billions of emails daily. Dreamlit adds SOC 2 and GDPR-aligned security, end-to-end encryption, and read-only database access. Teams use it for auth emails, password resets, receipts, onboarding sequences, and scheduled broadcasts on the same infrastructure.