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Mailgun vs SMTP.com: Pricing and Ratings Compared (2026)

Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Mailgun and SMTP.com side by side. This page compares data; it is not a hands-on review.

On the data: On the data below, Mailgun leads on higher user rating and a free plan; SMTP.com leads on lower entry price. We do not name an overall winner for this pair.

Data comparison compiled by Toolradar, not hand-reviewed Methodology
Data comparison 1,902 user reviews compared Pricing checked Oct 31, 2026

Short on time? Here's the quick answer

Based on published vendor pricing and features and on public review data, here's who should pick what:

Mailgun

Send, parse, and validate emails with a reliable developer API

Best for you if:

  • • You want a free tier before you commit

SMTP.com

Send transactional email at scale with high inbox placement

Best for you if:

  • • You want exceptional deliverability rates backed by a strong IP reputation and proactive monitoring
At a glance: Mailgun vs SMTP.com
At a Glance
Mailgun Mailgun
SMTP.com SMTP.com
Starts at
Free plan, paid from $35/mo, billed monthly Foundation plan
From $25/mo, billed monthly Essential plan
Category
Email API Tools
Transactional Email Email Deliverability
Rating
4.1/5 Trustpilot 4.1 · G2 4.2 1,850 reviews 2.9/5 G2 3.3 · Capterra 3.5 · SourceForge 0.5 52 reviews
Free plan
Yes No
Watch out for
High overage fees on lower tiers Reputation defender is an add-on

Choose Mailgun or SMTP.com?

Mailgun

Choose Mailgun if

  • You want a free tier before you commit
  • You want powerful API
  • You want email validation
  • You work in email, not transactional email
SMTP.com

Choose SMTP.com if

  • You want exceptional deliverability rates backed by a strong IP reputation and proactive monitoring
  • You want scalable infrastructure with dedicated IP and cloud instances for high-volume senders
  • Budget matters ($25/mo, billed monthly vs $35/mo, billed monthly)
  • You work in transactional email, not email

In-Depth Analysis

Mailgun Mailgun

Send, parse, and validate emails with a reliable developer API

Good value

Mailgun's pricing is competitive, especially for developers needing high volume.

Watch out

High overage fees on lower tiers

Strengths

  • Pro: Powerful API
  • Pro: Email validation
  • Pro: Good logs

Weaknesses

  • Con: Complex pricing
  • Con: Support can be slow

Key features

Email API Deliverability Analytics Validation Routing Developer focused

SMTP.com SMTP.com

Send transactional email at scale with high inbox placement

Good value

The $25 Essential tier is an affordable entry point, while the $300 Growth plan offers good value with a dedicated IP and 500,000 emails monthly.

Watch out

Reputation defender is an add-on

Strengths

  • Pro: Exceptional deliverability rates backed by a strong IP reputation and proactive monitoring
  • Pro: Scalable infrastructure with dedicated IP and cloud instances for high-volume senders
  • Pro: In-house expert support available across all plans, including migration assistance

Weaknesses

  • Con: No free tier or trial available; all plans start at a monthly fee
  • Con: Optional add-ons like Reputation Defender and Insight Engine incur additional cost

Key features

Email Relay API with RESTful endpoints and easy integration Transactional email service with low latency and high deliverability Reputation Defender, proactive email list validation to protect sender reputation Insight Engine, optional add-on for data-enriched customer insights Dedicated IP and dedicated instance for high-volume senders Managed migration service with templates for Sendgrid, Mailgun, and others

Plans and prices: Mailgun vs SMTP.com

Plans and prices of Mailgun and SMTP.com, as read on each vendor's pricing page. Each plan keeps its own billing unit.
Tool Plans and prices Source
Mailgun
  • Free: Free
  • Foundation: $35/mo, billed monthly
  • Scale: $90/mo, billed monthly
  • Enterprise: Custom pricing
mailgun.com/pricing read Oct 31, 2026
SMTP.com
  • Essential: $25/mo, billed monthly
  • Starter: $80/mo, billed monthly
  • Growth: $300/mo, billed monthly
  • Business: $500/mo, billed monthly
  • High Volume: Custom pricing
smtp.com/pricing read Oct 27, 2026

Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Mailgun pricing and SMTP.com pricing.

Key Takeaways

Mailgun

  • Higher user rating: 4.1/5 vs 2.9/5
  • Has a free plan

SMTP.com

  • Lower entry price: $25/mo, billed monthly vs $35/mo, billed monthly

What the data shows

On the data below, Mailgun leads on higher user rating and a free plan; SMTP.com leads on lower entry price. We do not name an overall winner for this pair.

  • Mailgun has the higher user rating (4.1/5 from 1,850 reviews for Mailgun, 2.9/5 from 52 reviews for SMTP.com).
  • SMTP.com has the lower entry price: $25/mo, billed monthly (Essential) against $35/mo, billed monthly (Foundation) for Mailgun.
  • Only Mailgun has a free plan.

Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate

Frequently Asked Questions

How do Mailgun and SMTP.com compare in 2026?

On the data below, Mailgun leads on higher user rating and a free plan; SMTP.com leads on lower entry price. We do not name an overall winner for this pair. Mailgun has the higher user rating (4.1/5 from 1,850 reviews for Mailgun, 2.9/5 from 52 reviews for SMTP.com). SMTP.com has the lower entry price: $25/mo, billed monthly (Essential) against $35/mo, billed monthly (Foundation) for Mailgun. Only Mailgun has a free plan.

What are Mailgun and SMTP.com used for?

Mailgun: Send, parse, and validate emails with a reliable developer API. SMTP.com: Send transactional email at scale with high inbox placement.

What does Mailgun cost vs SMTP.com?

Mailgun's cheapest paid plan is Foundation at $35/mo, billed monthly; it also has a free plan. SMTP.com's cheapest paid plan is Essential at $25/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.

What's the main difference between Mailgun and SMTP.com?

Mailgun's main strength: powerful API. SMTP.com's main strength: exceptional deliverability rates backed by a strong IP reputation and proactive monitoring.

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