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Emailens vs Ethereal Email

Both stand on email testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Emailens

Free plan Open source APIExtensionSelf-hosted+1

Emailens combines multi-client rendering previews with compatibility scores and developer-focused integrations. The free plan provides a way to use the service, while higher listed plans add larger preview allowances and other plan-specific limits.

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Ethereal Email

Free plan APIWeb

Choose Ethereal Email to review outbound messages during development, especially if you use Nodemailer or another SMTP-compatible client. Look elsewhere if you need public accounts to receive inbound email or retain messages beyond a few hours.

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The facts

EmailensEthereal Email
Free planYesYes
Open sourceYesNot published
Runs onAPI, Extension, Self-hosted, WebAPI, Web
Lowest paid planDev: $9 a monthFree or on request
Plans published41
MakerNot publishedNot published
Websiteemailens.devethereal.email
On email testing software#1 of 28#5 of 28

Emailens: what it does well

  • Previews across 21 email clients.
  • Accepts HTML, React Email JSX, MJML, and Maizzle.
  • Offers a web app, REST API, MCP server, and GitHub Action.
  • Free plan includes 30 previews per day.
  • States TLS 1.3 connections and AES-256 encryption at rest.

What to know first

  • No free trial is listed.
  • Free plan has a 30-preview daily limit.
  • Mailchimp URL import is the only verified URL import.
  • Authenticated previews and screenshots are purged after 30 days.

Ethereal Email: what it does well

  • Free plan for catching outbound email.
  • Works with SMTP-compatible mail clients and libraries.
  • Creates Nodemailer test accounts without signup or email verification.
  • Offers web, IMAP, and POP3 message review.
  • Provides API access.

What to know first

  • Messages are deleted after a few hours.
  • Each address has a 100MB storage quota.
  • Public accounts are limited to 200 messages per hour.
  • Public accounts cannot receive inbound email.

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