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Head-to-head · SMTP Relay Services

Maileroo vs Mailgun

  • Updated Sep 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Maileroo #7 in SMTP Relay Services 6.7/10 Free plan Free plan✓ 0 of 3 features Visit Maileroo
Mailgun #8 in SMTP Relay Services 6.6/10 Free plan · 30-day trial Free plan✓ 0 of 3 features Visit Mailgun

Maileroo leads on 0 checks, Mailgun on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMaileroo · 6.7/10
  • Free planboth

Maileroo scores higher on our rubric for smtp relay services: 6.7 against 6.6 out of 10; our editors rank them #7 and #8.

Maileroo is the better fit for developers wanting broad transactional-email coverage. Mailgun is the better fit for developers needing established email infrastructure.

  • Maileroo fits best

    Developers wanting broad transactional-email coverage

  • Mailgun fits best

    Developers needing established email infrastructure

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Maileroo 6.7/10 Visit ↗ Mailgun 6.6/10 Visit ↗
At a glance
Editor score 6.7 6.6
Ranking #7 in SMTP Relay Services #8 in SMTP Relay Services
Best for Developers wanting broad transactional-email coverage Developers needing established email infrastructure
Pricing model Free plan + paid Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Features Maileroo 0/3 · Mailgun 0/3
Inbound email parsing Not published Not published
Event webhooks Not published Not published
Subaccounts Not published Not published
Specs
Monthly send limit Not published 10000 emails/mo
Dedicated IP option Not published Not published
Email log retention Not published Not published
Our review
Pros
  • Free tier includes outbound and inbound email allowances
  • Supports SMTP, REST delivery, webhooks and inbound routing
  • Integrates with PHP, Laravel, Node.js, Python, Go, .NET and Java
  • Combines RESTful APIs and SMTP relay for email delivery
  • Adds inbound routing, webhooks, templates, analytics, and suppression tools
  • Scale includes dedicated IP pools, SAML SSO, and live support
Cons
  • Free Plan is limited to 3,000 outbound emails monthly
  • Paid SMTP plan provides 25,000 emails per month
  • Dedicated IP options are aimed at higher-volume sending
  • Free plan limits sending to 100 emails per day
  • Dedicated IP pools are listed only on the Scale plan
  • Log retention ranges from five days on Foundation to 30 on Scale
Our verdict

Maileroo is an email delivery platform for developers, startups, agencies and enterprises. It supports transactional, bulk and scheduled email through a RESTful API or SMTP relay, while inbound email routing connects incoming messages to…

Read the review →

Mailgun is an email delivery platform for developers, marketers, and product teams. It supports transactional and marketing messages through RESTful email APIs and SMTP relay, with inbound email routing, delivery-event webhooks, reusable…

Read the review →
  1. MailerooSMTP Relay Services 6.7Free plan
  2. MailgunSMTP Relay Services 6.6Free plan · 30-day trial

Strengths and trade-offs

  • Maileroo — where it wins

    • Free tier includes outbound and inbound email allowances
    • Supports SMTP, REST delivery, webhooks and inbound routing
    • Integrates with PHP, Laravel, Node.js, Python, Go, .NET and Java

    Where it doesn't

    • Free Plan is limited to 3,000 outbound emails monthly
    • Paid SMTP plan provides 25,000 emails per month
    • Dedicated IP options are aimed at higher-volume sending
  • Mailgun — where it wins

    • Combines RESTful APIs and SMTP relay for email delivery
    • Adds inbound routing, webhooks, templates, analytics, and suppression tools
    • Scale includes dedicated IP pools, SAML SSO, and live support

    Where it doesn't

    • Free plan limits sending to 100 emails per day
    • Dedicated IP pools are listed only on the Scale plan
    • Log retention ranges from five days on Foundation to 30 on Scale
  • Maileroo6.7/10 · Free plan

    A developer-focused SMTP and API service with inbound routing, webhooks, templates and analytics.

    Visit MailerooFull verdict →
  • Mailgun6.6/10 · Free plan · 30-day trial

    Developer-focused email delivery with SMTP, APIs, inbound routing, and delivery analytics.

    Visit MailgunFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update