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Mailgun vs Proton Mail

Mailgun provides email sending/receiving APIs for apps, lacking end-to-end encryption and Swiss privacy guarantees.

Short answer: Pick Mailgun if you want transactional email delivery and validation; pick Proton Mail if you want encrypted email with Swiss privacy protection. Mailgun has a free plan, paid from $15/month; Proton Mail has a free plan, paid from $3.99/month.

Which to pick

Pick Mailgun if you want…

  • Transactional email delivery and validation
  • Email API for developers
  • Integrations with HTTP API, SMTP or Webhooks (on Mailgun's list, not Proton Mail's)

Pick Proton Mail if you want…

  • Encrypted email with Swiss privacy protection
  • The lower starting price: $3.99/month against $15/month
  • Integrations with Gmail, Outlook or Yahoo (on Proton Mail's list, not Mailgun's)

Side by side

What it is
Mailgun:Mailgun provides APIs for sending, receiving, validating and tracking transactional emails.
Proton Mail:Proton Mail is an end-to-end encrypted email service that protects your messages with zero-access encryption.
Best for
Mailgun:Transactional email delivery and validation
Proton Mail:Encrypted email with Swiss privacy protection
Who it’s for
Mailgun:Developers building email-enabled applications and services.
Proton Mail:Individuals and organizations seeking private, secure email communication.
Pricing
Mailgun:Freemium
Proton Mail:Freemium
Starting price
Mailgun:$15/month (Basic)
Proton Mail:$3.99/month (Mail Plus)
Free plan or trial
Mailgun:Free plan (Free) · Free trial
Proton Mail:Free plan (Proton Free) · Free trial
Plans
Mailgun:Free $0/mo · Basic $15/mo per month · Foundation $35/mo per month · Scale $90/mo per month
Proton Mail:Proton Free $0.00 · Mail Plus $3.99 per month · Proton Unlimited $9.99 per month
Works with
Mailgun:HTTP API, SMTP, Webhooks, Email template builder
Proton Mail:Gmail, Outlook, Yahoo

Mailgun features

  • RESTful Email API & SMTP relay. Send emails via HTTP API or SMTP with high reliability.
  • Email validation service. Real-time API and bulk upload to remove invalid addresses.
  • Analytics, tracking & webhooks. Detailed delivery, open, click data and event webhooks.
  • Inbox preview & accessibility checks. Preview emails before sending to ensure compliance and deliverability.
  • Dedicated IPs & IP pools. Control reputation with dedicated IPs, included in higher plans.
  • SAML SSO & multi-user access. Enterprise-grade security and role-based access control.
  • Log and message retention. Retention up to 30 days for logs and up to 7 days for messages.
  • Email template builder. Create and manage reusable email templates via API.

Proton Mail features

  • Zero-access encryption. Emails are encrypted on your device and Proton cannot read them.
  • Tracker blocking. Blocks email trackers to prevent senders from monitoring your activity.
  • Easy import from other providers. One-click import and sync from Gmail, Outlook, Yahoo, Apple and more.
  • Custom domains & aliases. Add custom email domains and create unlimited hide-my-email aliases.
  • Spam & phishing protection. PhishGuard filters phishing attempts and suspicious links.
  • Cross-platform apps. Web, Windows, macOS, Linux, Android and iOS clients.

Mailgun vs Proton Mail FAQ

What is the difference between Mailgun and Proton Mail?+

Mailgun provides email sending/receiving APIs for apps, lacking end-to-end encryption and Swiss privacy guarantees.

Should I use Mailgun or Proton Mail?+

Pick Mailgun if you want transactional email delivery and validation, email API for developers or integrations with HTTP API, SMTP or Webhooks (on Mailgun's list, not Proton Mail's). Pick Proton Mail if you want encrypted email with Swiss privacy protection, the lower starting price: $3.99/month against $15/month or integrations with Gmail, Outlook or Yahoo (on Proton Mail's list, not Mailgun's).

Is Mailgun or Proton Mail free?+

Mailgun has a free plan; paid plans start at $15/month (Basic). Proton Mail has a free plan (Proton Free); paid plans start at $3.99/month (Mail Plus).

Which is cheaper, Mailgun or Proton Mail?+

Proton Mail is cheaper to start with: Proton Mail's Mail Plus plan ($3.99/month) against Mailgun's Basic plan ($15/month).

Do Mailgun and Proton Mail integrate with the same tools?+

Their integration lists don't overlap: Mailgun lists HTTP API, SMTP, Webhooks and Email template builder; Proton Mail lists Gmail, Outlook and Yahoo.

On DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.