
MailSlurp
Mailosaur
MailHog
Litmus
Email on Acid
Mailgun
Resend
Modern email delivery platform for developers and product teams

Superhuman
Shortwave
Spark Mail
FiloMail
Mimestream
Leave Me Alone
Clean Email
The best and most innovative mail app to master your overloaded mailbox.

Which is more popular?
Based on our record, Mailtrap seems to be more popular. It has been mentioned 58 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mailtrap.io | info.easi.net |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 250 - 499 employees · 2011 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Mailtrap is an email delivery platform that helps developers and product teams test, send, receive, and manage email across the complete email lifecycle. Email API/SMTP: production infrastructure for transactional and bulk email, with a REST API, SMTP relay, official SDKs, webhooks, email logs,...
No description of InboxZero yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Mailtrap is highly recommended for developers, QA engineers, and teams involved in application development who need a secure and isolated environment for testing email functionalities. It's particularly useful for those working with staging environments and require a way to simulate email delivery without sending actual emails to real users.
No analysis of InboxZero yet.
Walkthroughs and reviews on video.
Mailtrap Email API/SMTP Service Overview
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mailtrap and InboxZero. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


A safe email testing tool for staging and development, Mailtrap enables you to inspect and debug your email samples before delivering them to your customers. It helps you keep your email messages clear of spam filters...
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Recommendations tracked on public social media and blogs since March 2021.


Start-here: Transactional + newsletter → Resend (3,000/mo, 100/day, 3 domains on Free). Staging inbox → Mailtrap sandbox (tiny on Free). Marketing audience → Loops. OTP texts → Twilio after trial credit. - Source: dev.to / 19 days ago
Does anyone know of a similar tool for catching SMS messages in local/development environment? My company uses mailtrap[0] in our development environments to give engineers and product managers a tool to preview emails that would... - Source: Hacker News / almost 2 years ago
If you need to make sure that all of your mailto links are inserted properly, other links are sent to the right recipients, and that the HTML is not broken in any way, then check out Mailtrap Email Testing. - Source: dev.to / about 2 years ago
Tracking InboxZero since Mar 2021.
When comparing Mailtrap and InboxZero, you can also consider the following products.

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MailHog is an email testing tool inspired by MailCatcher, but easier to install.
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Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Compare Spark Mail to Mailtrap or InboxZero: