Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
Germany
EU
Mailosaur Alternatives
Sites and apps similar to Mailosaur include Mailpit, which is free and open source. Other options are MailGrab, MailHog, Mailcatch.app and Mailtrap. You're spoiled for choice with Mail Servers like Mailosaur: we list more than 25 alternatives for Mac, Windows, Linux and self-hosting.
Alternatives list
Debug your emails. Drop MailGrab's SMTP into your staging .env. Every email your app fires — welcome messages, password resets, invoices — shows up here instead. HTML rendered, headers readable, nothing reaches real inboxes.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Docker
An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
United Kingdom
35 Mailtrap alternativesMailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
Poland- EU
Capture SMTP traffic from staging and dev environments. Easily validate email content text or HTML/CSS. Utilize an Email Sandbox to thoroughly examine and troubleshoot emails within staging, development, and quality assurance (QA) environments prior to sending them to recipients...
Cost / License
- Freemium
- Proprietary
Platforms
- Online
FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily. It is written in Java.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
27 Papercut alternativesPapercut is a simplified SMTP server designed to only receive messages (not to send them on) with a GUI on top of it allowing you to see the messages it receives.
Cost / License
- Free
- Open Source
Platforms
- Windows
+2
Mailisk is an E2E email testing platform. It allows you to receive emails with code and automate email flows. You get a unique subdomain and access to unlimited custom email addresses.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
30 MailCatcher alternativesMailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
United States
Cost / License
- Free
- Open Source (BSD-3-Clause)
Application type
Platforms
- Windows
- Linux
- Mac
- United Kingdom
Create email addresses on demand. Send and receive real emails and attachments from code. Rest API and developer kits available.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Ruby
- C#
- Laravel
- JavaScript
- Software as a Service (SaaS)
- PHP
- Java
- Node.JS
