FakeSMTP
FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.
Some of the top features or benefits of FakeSMTP are: Ease of Use, Free and Open Source, No Email Sending, Local Testing, and Java Application. You can visit the info page to learn more.
Best FakeSMTP Alternatives & Competitors in 2025
The best FakeSMTP alternatives based on verified products, community votes, reviews and other factors.
Filter:
12
Open-Source Alternatives.
Latest update:
-
MailHog is an email testing tool inspired by MailCatcher, but easier to install.
Key MailHog features:
Easy Setup Web Interface SMTP Server Simulation Integration with Development Environments
-
Email Delivery Platform that delivers just in time. Great for businesses and individuals. .
Key Mailtrap features:
Automated Testing HTML/CSS Check Spam Analysis Deliverability Alerts
-
The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. .
Key MailReach.co features:
Deliverability Improving Email Warming Meaningful Warming Content Smart Warming Algorithm
-
Email Testing for QA & Development Teams.
Key Mailosaur features:
Ease of Use API Integration Realistic Testing Comprehensive Documentation
-
Smtp4dev is an all-in-one SMTP server designed to develop and test emails in your applications.
Key Smtp4dev features:
Open Source Local Testing Cross-Platform Web Interface
-
Email and SMS testing and development platform for software engineers and QA testers.
Key mailslurp features:
Temporary Email Generation API Integration Email Receiving and Sending Customizable Domains
-
MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...
Key MailCatcher features:
Easy Setup Web Interface Simplicity Integration Capabilities
-
Fake SMTP server for safe email testing. Stop accidentally spamming your customers.
Key MailSpons features:
User-Friendly Interface Targeted Audience Reach Comprehensive Analytics Scalability
-
Papercut is an operational print management platform designed for windows, macs, and Linux, helping you keep track of all your prints.
Key Papercut features:
Cost Efficiency Environmental Benefits User Management Security Features
-
Dummy SMTP server with JavaFX gui for testing email sending applications - anlar/lunaticsmtp.
Key LunaticSMTP features:
Lightweight Customizable Easy to Setup Support for Lunatic Environment
-
Ethereal is a fake SMTP service, mostly aimed at Nodemailer users (but not limited to). It's a completely free anti-transactional email service where messages never get delivered.
Key Ethereal Email features:
Debugging Tool Free Service SMTP Support No Email Sending
-
Imitate Email is a fake SMTP server with an embeddable web widget to let developers and users test email flows without leaving their app.
-
QA tool for automating end-to-end email tests. Get unlimited private email addresses and inboxes for testing new user signups, transactional emails and drip campaigns, deliverability and spam scores, etc.
Key testmail.app features:
Email Testing Automation Real-time Results Integration Capabilities Multiple Inboxes
-
Sendria (formerly MailTrap) is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.
FakeSMTP discussion
