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Mailtruss vs Mailgun.
Two email APIs with an SMTP relay. Here is what each charges and offers, using Mailgun's own published prices, and the cases where Mailgun is the better choice.
Mailgun's figures were copied from mailgun.com on 2026-11-15. Prices change, so check that page before you decide. Mailtruss is not affiliated with Mailgun.
What each costs
| Volume | Mailtruss | Mailgun |
|---|---|---|
| About 10,000 emails a month | $9 (Starter, includes 25,000) | $15 (Basic, includes 10,000; no daily limit; monthly overage options) |
| About 50,000 emails a month | $29 (Pro, includes 100,000; there is no 50,000 plan) | $35 (Foundation, includes 50,000; free for the first month) |
| About 100,000 emails a month | $29 (Pro, includes 100,000) | $90 (Scale, includes 100,000; adds SAML single sign-on, dedicated IP pools and 30 days of log retention) |
At 10,000 emails a month and at 100,000 Mailtruss costs less, and at 50,000 it is close ($29 against $35), because Mailtruss has no plan between 25,000 and 100,000. Mailgun's Foundation and Scale plans start with a free first month. Mailtruss prices are on the pricing page.
Limits and features
| Mailtruss | Mailgun | |
|---|---|---|
| Free plan | 3,000 emails a month, 100 a day, 1 sending domain, 3 API keys | 100 emails a day, 1 sending domain, 1 API key |
| Message or log history kept | 7, 30, 60 or 90 days by plan (Free to Business) | 1 day of log retention on the free plan; 30 days on Scale |
| Inbound email | Yes, on every plan | 1 inbound route on the free plan, more on higher plans |
| Past the monthly limit | Sending stops at the limit; nothing is billed beyond your plan | Overage options on paid plans |
| Single sign-on | Not available yet | SAML single sign-on on Scale |
| Dedicated IPs | Not available | Dedicated IP pools on Scale |
Where Mailgun is the better choice
- You need SAML single sign-on or dedicated IP pools. Mailtruss does not offer either.
- You want to keep sending past your plan's limit and pay for the extra, which Mailgun's paid plans allow.
- You want a service with a long public track record. Mailtruss launched in November 2026.
Where Mailtruss fits
- A free plan with 3,000 emails a month, 3 API keys and 7 days of message history, against 1 API key and 1 day of logs.
- Every message has a recorded timeline, and failures are explained in plain language with whether a retry is safe. See delivery errors.
- Every plan has every feature, including inbound email. Plans differ only in volume, sending domains and API keys.
- An SMTP relay as well as the API, and client libraries for Node.js, Python, Go, PHP, Ruby, Java and .NET. See SMTP and send email by language.
Common questions
- Is Mailtruss cheaper than Mailgun?
- At about 10,000 emails a month, yes: $9 on Mailtruss Starter (25,000 included) against $15 for Mailgun Basic. At about 100,000 emails, yes: $29 against $90 for Mailgun Scale. At about 50,000 emails Mailgun Foundation costs $35, compared with $29 for Mailtruss Pro, which includes 100,000. These are Mailgun's published prices on 2026-11-15.
- How do the free plans compare?
- Mailtruss's free plan has 3,000 emails a month (100 a day), 3 API keys and 7 days of history. Mailgun's free plan has 100 emails a day, 1 API key and 1 day of log retention.
- What does Mailgun have that Mailtruss does not?
- SAML single sign-on and dedicated IP pools on its Scale plan, and overage options on its paid plans so sending can continue past the plan's limit. Mailtruss stops at the limit.
Switching
Apps that send over SMTP only need new credentials: the host, a port and an API key as the password (SMTP settings). Apps that call an HTTP API send one POST /api/v1/emails: see Sending. Start free and send a test in test mode before you change anything.