Ethereal Email
Ethereal Email: A focused free sandbox for catching and reviewing outbound test email. Ranked #25 of 27 in Email Testing Software by our editors (6.0/10); pricing: Free plan; best for free disposable SMTP test accounts.
At a glance
- Editor score6.0 / 10
- PricingFree plan
- Best forFree disposable SMTP test accounts
- Free planYes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Catches outbound email without delivering it to recipients
- Creates disposable test accounts through Nodemailer
- Supports SMTP, browser previews, IMAP, and POP3 access
Where it doesn't
- Public accounts have temporary message storage
- Public accounts have sending limits
- Inbound email is disabled for public accounts
Our verdict on Ethereal Email
Ethereal Email is a free, hosted SMTP sandbox for developers testing transactional or marketing email. It catches outbound messages instead of delivering them to recipients, helping prevent accidental emails to real inboxes. Users can create disposable test accounts through Nodemailer or the website, send mail through SMTP, and review messages in a browser. IMAP and POP3 access provide additional ways to inspect captured email.
The pricing model is straightforward: Ethereal Email is free, with a free plan that includes API access. Public accounts have temporary message storage and sending limits, so it fits short-lived development and review workflows rather than long-term message archiving. The Nodemailer API workflow supports account registration, while Nodemailer and EmailEngine are the listed integrations. The product is available through the web and API, giving teams both a browser-based preview path and programmatic access.
Ethereal Email's strength is its narrow focus on safely catching outbound email before delivery. It supports SMTP, browser-based previews, IMAP, POP3, and temporary message review, but its published feature set does not include client rendering, spam, accessibility, link, or inbox-placement testing. Choose it when the priority is disposable SMTP accounts and basic message inspection during development. Teams needing broader email-quality coverage should consider a tool that adds those specialized testing areas.
Your product? Our editors can test Ethereal Email in depth and publish a review, labelled as paid · from $149/mo →
Ethereal Email pricing
Ethereal Email fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Email clients | Not verified |
| Device coverage | Not verified |
| Spam checks | Not verified |
| Accessibility checks | Not verified |
| Link checks | Not verified |
| Inbox testing | Not verified |
| API access | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Support | Email, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: Nodemailer, EmailEngine |
| Pricing | Free plan |
| Website | ethereal.email |
| Facts checked | 20 Sep 2026 |
Ethereal Email integrations
Ethereal Email lists 2 integrations on its own site.
- Nodemailer
- EmailEngine
Alternatives to Ethereal Email
- LitmusBroad pre-send email QA with previews, testing, monitoring, integrations, and APIs.9.3
- Twilio Email TestingA flexible email-testing option with a free trial, rendering checks, spam tests, and API access.8.8
- GlockAppsA broad deliverability toolkit for inbox placement, reputation, authentication, and alerts.8.5
See all Ethereal Email alternatives →
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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