Mailgun vs SMTP2GO: developer API pricing compared

Updated 2026-11-10 · listed A to Z, not ranked

Mailgun sends transactional and bulk email through an API and SMTP, priced by monthly email volume with a per-1,000 rate above the plan.

SMTP2GO is an email delivery service (SMTP relay and API) for transactional and bulk email. Plans are sized by monthly email volume.

Listed A to Z, from mailgun.com and smtp2go.com. Every figure below is quoted from those pages.

Mailgun
Main price table
Free, Basic, Foundation, Scale
Free option
Free: $0
Published prices
Free 100 emails a day, Basic $15 (10k), Foundation $35 (50k) and $75 (100k), Scale from $90, overage rates and add-ons.
SMTP2GO
Main price table
Free, Starter, Professional
Free option
Free: $0
Published prices
Free 1,000 emails/mo, Starter $15/mo for 10,000, Professional $75/mo for 100,000 (monthly billing).

How we checked: Prices quoted from each official pricing page: Mailgun checked Nov 10, 2026, SMTP2GO checked Nov 10, 2026. Taxes, usage overages and promotions can change what you pay; confirm with each provider before you buy.

How they compare

  • Main price table. Mailgun lists 4 entries (Free, Basic, Foundation, Scale); SMTP2GO lists 3 (Free, Starter, Professional).
  • Lowest listed paid tier. Mailgun: Basic $15, price per month. SMTP2GO: Starter $15/mo, billed monthly. Billing terms differ (per user or flat, monthly or annual), so check what each tier includes below.
  • Free option. Mailgun: Free: $0. SMTP2GO: Free: $0.

Mailgun plans and prices

PlanPrice per monthEmails per monthExtra emails
Free$0100 per day—
Basic$1510,000From $1.80 per 1,000
Foundation$35 / $7550,000 / 100,000$1.30 / $1.10 per 1,000
Scale$90 / $215 / $400 / $550 / $700 / $1,250100k / 250k / 500k / 750k / 1M / 2.5M$1.10 down to $0.40 per 1,000
ItemDetail
Free1 sending domain, 1 day of logs, 1 user
Foundation1,000 domains, 5 days of logs
ScaleSAML SSO, 5,000 validations, dedicated IP pools, 30 days of logs
Email validationsFrom $1.20 per 100
Extra dedicated IP$59 per IP per month
Trial30-day free trial on paid plans

From mailgun.com, checked Nov 10, 2026. Full breakdown: Mailgun pricing.

SMTP2GO plans and prices

PlanBilled monthlyBilled annuallyEmails per monthExtra emails
Free$0$01,000 (limited to 200/day)Not permitted
Starter$15/mo$150/year10,000$1.20 per thousand
Professional$75/mo$750/year100,000$0.85 per thousand

Prices in USD as shown at the page's default volume setting. The page has a volume slider, so higher volumes are priced separately. Free includes 5 days of email reporting and ticket support only; Starter and Professional include 30 days of reporting and ticket/chat/phone support. Professional adds a dedicated IP address and email testing tools.

From smtp2go.com, checked Nov 10, 2026. Full breakdown: SMTP2GO pricing.

FAQ

How much does Mailgun cost?

Free 100 emails a day, Basic $15 (10k), Foundation $35 (50k) and $75 (100k), Scale from $90, overage rates and add-ons. (checked Nov 10, 2026).

How much does SMTP2GO cost?

Free 1,000 emails/mo, Starter $15/mo for 10,000, Professional $75/mo for 100,000 (monthly billing). (checked Nov 10, 2026).

Do Mailgun and SMTP2GO have a free option?

Mailgun: Free: $0. SMTP2GO: Free: $0.

What is the cheapest paid plan, Mailgun or SMTP2GO?

Lowest listed paid tier: Mailgun Basic $15, price per month; SMTP2GO Starter $15/mo, billed monthly (as quoted on each pricing page). Billing units differ, so compare what each includes.

Which is better, Mailgun or SMTP2GO?

We do not pick a winner. The two price and package their products differently; the tables above quote each official pricing page so you can match a plan to your own usage.

Where do these prices come from?

Each vendor's own pricing page: mailgun.com (checked Nov 10, 2026) and smtp2go.com (checked Nov 10, 2026). Prices change; confirm on the vendor's page before you buy.

Sources (official pages, read 2026-11-10)

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