# The best Mailgun alternatives

Web page: https://fromly.io/alternatives/mailgun

## Why people look for a Mailgun alternative

- It is an API only: no send button, campaigns or automations in the app
- Free and Basic allow one sending domain and keep logs for one day
- Extra emails above a plan are billed as overage, from $1.10 to $1.80 per 1,000
- You want product data from Supabase and Stripe to drive your emails

## The alternatives

### Fromly

Email marketing for SaaS: connects to Supabase and Stripe so emails follow what users actually do, with campaigns, automations and a transactional API.

- Best for: SaaS teams on Supabase and Stripe who want emails driven by product data.
- Pricing: Your first 1,000 emails are free. After that, every email costs $0.001, prepaid. Unlimited contacts.
- Strengths: Supabase sign-ups and Stripe billing on every contact, with no code; Pay per email from the first one, unlimited contacts; Each workspace sends under its own reputation
- Limits: No A/B testing, signup forms or SMS yet; Stripe is the only billing tool connected today
- Website: https://fromly.io
- Comparison: https://fromly.io/compare/fromly-vs-mailgun

### Resend

An email API built for developers, with broadcasts and automations on top.

- Best for: Developers who mostly send transactional email from code.
- Pricing: Transactional plans by volume, 3,000 free; marketing priced by contacts, from $20/mo for 50,000 emails
- Strengths: A polished developer experience: SDKs in many languages, React Email and a test mode; 3,000 free transactional emails a month; Above about 20,000 transactional emails a month, cheaper than Fromly: $35 for 100,000
- Limits: Marketing email is a separate plan, priced by contacts; The free plan stops at 100 emails a day; Automations are billed per run beyond the free 10,000
- Website: https://resend.com
- Comparison: https://fromly.io/compare/fromly-vs-resend

### SendGrid

Twilio's email API and SMTP relay, one of the longest-running sending services, with a separate marketing product.

- Best for: Companies sending high volumes of transactional email who want an established provider.
- Pricing: Plans by volume, 60-day free trial, from $19.95/mo (Essentials)
- Strengths: Built and proven for very high volumes, with a 99.99% uptime SLA; A dedicated IP included from the Pro plan; Part of Twilio, alongside SMS and voice
- Limits: No lasting free plan, only a 60-day trial; Marketing campaigns are a separate product and plan; One teammate only on Essentials
- Website: https://www.twilio.com/en-us/sendgrid
- Comparison: https://fromly.io/compare/fromly-vs-sendgrid

### Plunk

An open-source email platform for transactional email, automations and campaigns, with a self-hosted option.

- Best for: Developers who want open source, or to host their email platform themselves.
- Pricing: $0.001 per email, free plan up to 1,000, from Free, then $0.001 per email
- Strengths: Open source (AGPL-3.0) and self-hostable with Docker Compose; Same per-email price as Fromly, every feature on every plan; Inbound email, SMTP and an MCP server included
- Limits: Plunk branding on free emails; No built-in Supabase or Stripe connection stated: triggers come from events your code sends
- Website: https://www.useplunk.com
- Comparison: https://fromly.io/compare/fromly-vs-plunk

### Sequenzy

An all-in-one email platform for SaaS and ecommerce: campaigns, automations, transactional API, SMS and a shared inbox.

- Best for: Teams who want one broad platform, with forms, A/B tests, SMS and revenue attribution included.
- Pricing: Free up to 2,500 emails, then volume tiers, from $19/mo for 15,000 emails
- Strengths: A very broad feature set on every plan, free included; 2,500 free emails a month; From about 30,000 emails a month, as cheap as Fromly or cheaper
- Limits: Prices move in tiers: 16,000 emails cost the 30,000 tier; A large product to learn when you only need a few flows
- Website: https://www.sequenzy.com
- Comparison: https://fromly.io/compare/fromly-vs-sequenzy

### Brevo

A marketing suite with email, SMS, WhatsApp, a CRM and transactional email.

- Best for: Small businesses who want email, SMS and a CRM in one subscription.
- Pricing: Plans by email volume, free with a daily cap, from $9/mo for 5,000 emails
- Strengths: Email, SMS, WhatsApp, push and a CRM under one roof; Cheaper than Fromly from about 100,000 emails a month: $82 on Starter against $100; A/B testing, forms, landing pages and revenue reports, which Fromly does not have
- Limits: Automation starts on Standard: 10,000 emails a month cost $35 there; Prices move in tiers: 10,001 emails on Starter cost the 15,000 tier, $25; Shared IPs by default; a dedicated IP only on Enterprise
- Website: https://www.brevo.com
- Comparison: https://fromly.io/compare/fromly-vs-brevo

## Frequently asked questions

### What is the best Mailgun alternative for SaaS?

If you want campaigns and automations driven by your Supabase users and Stripe billing, Fromly. If you only need a developer API, Resend and SendGrid are the closest matches.

### Is there a cheaper alternative to Mailgun?

Below 50,000 emails a month, yes: Fromly and Plunk charge $0.001 per email, so 10,000 emails cost $10 against $15 on Mailgun. From 50,000 emails, Mailgun is cheaper than Fromly.

### Which Mailgun alternative has campaigns and automations?

Fromly, Sequenzy and Brevo all include campaigns and automations next to a transactional API, so marketing and product email live in one tool.

## Sources

Prices and features of each tool were checked on its own website: Mailgun on 2026-10-10, Resend on 2026-10-10, SendGrid on 2026-10-10, Plunk on 2026-10-10, Sequenzy on 2026-10-10, Brevo on 2026-10-10.
