DummySMTP
DummySMTP is an open source SMTP server that allows you to test email sending and receiving without sending actual emails over the internet. It is lightweight, runs locally, and useful for testing email functionality in applications during development.
email
smtp
testing
development
DummySMTP: Test Email Sending and Receiving Locally
Open source SMTP server for testing email sending and receiving without internet access, lightweight and runs locally
What is DummySMTP?
DummySMTP is a free, open source SMTP server designed for developers to test email sending and receiving in applications without sending actual emails over the internet. It runs locally and simulates an SMTP server, catching emails sent to it and making them available for viewing rather than sending them out.
Key features of DummySMTP include:
- Lightweight and easy to set up - requires no complex configuration
- Runs locally on Windows, Mac and Linux
- Catches all emails sent to it instead of relaying them externally
- Allows inspection and download of emails caught by it through a web interface
- Simulates various SMTP server responses and scenarios (delivery, bounce, delay etc.)
- Useful for testing mail functionality during development without spamming real email addresses
- Free and open source tool with active development on GitHub
Overall, DummySMTP provides developers with an easy way to test the sending and receiving of email right from their local machine without any external SMTP server. Its interactive responses and inspection capabilities make it ideal for building and testing applications that rely on email communications.
DummySMTP Features
Features
- Runs a local SMTP server that receives emails without sending them over the internet
- Lets you view and download received email messages through a web interface
- Supports SMTP, POP3, and IMAP protocols
- Allows setting custom SMTP ports
- Provides debugging output of all SMTP conversations
- Cross-platform - works on Windows, Linux, and MacOS
Pricing
- Open Source
Pros
Does not require any email account setup
Avoids spamming real email addresses during testing
Lightweight and easy to install
Great for testing email functionality in apps under development
Can test complex email scenarios locally
Cons
Limited to testing email sending, not receiving
No support for email attachments
Basic interface without many configuration options
Not suitable for production or commercial use
Official Links
The Best DummySMTP Alternatives
Top Development and Testing Tools and other similar apps like DummySMTP
Here are some alternatives to DummySMTP:
Suggest an alternative ❐
Mailtrap
Mailtrap is an easy-to-use fake SMTP server and API for testing email notifications without sending them to real people. It provides a fake SMTP server along with a web interface and API that allows developers to test and view emails their application is sending without delivering them to actual email...
MailHog
MailHog is an open source email testing tool used by developers for testing email in development and staging environments. It captures outgoing email and displays it in a web interface, instead of sending it externally. This allows developers to test email workflows without spamming real email addresses.Some key features of...
FakeSMTP
FakeSMTP is a free, open source SMTP test server written in Java that allows software developers to test sending emails from their applications without actually sending the messages over the internet through a real SMTP server.Some key features of FakeSMTP include:Lightweight and easy to install - just a single .jar...
LunaticSMTP
LunaticSMTP is an open-source, lightweight SMTP server developed specifically for Windows platforms. It allows Windows applications to send email directly through SMTP without needing additional email libraries.Some key features of LunaticSMTP include:Small footprint - under 1MB install sizeNo dependencies - works right out of the boxSupports SMTP and ESMTPCompatible with...
Papercut
Papercut is a leading print management software used by thousands of schools, colleges, businesses, libraries, and enterprise organizations. It helps IT administrators gain control over printing environments and reduce wasteful printing by setting print rules and quotas and providing convenient tools for user account tracking, billing, and reporting.Key features of...
MailCatcher
MailCatcher is an open source email testing tool used by developers to test and debug email sending in web applications during development. It runs a simple SMTP server on localhost along with a web interface to display messages sent by your application.When your application sends an email, MailCatcher will catch...
Smtp4dev
smtp4dev is an open-source, lightweight SMTP server application designed specifically for developers who need to test email functionality in their applications during development. Unlike full-featured email servers like Exchange or Postfix, smtp4dev is simple to install and configure on your local machine.The key benefit of smtp4dev is that it eliminates...
Origami SMTP
Origami SMTP is an email deliverability platform built to help email marketers perfect their email campaigns. It allows you to:Send test emails to check deliverability before sending large volumesGet detailed analytics on opens, clicks, bounces, spam test results, and more to optimize campaignsAnalyze and improve sender reputation with ISP feedback...
Mailocal
Mailocal is an open-source email service launched in 2019 that focuses on providing robust privacy and security features for its users. It is designed as an alternative to popular commercial options like Gmail or Outlook in response to growing demand for email services that do more to protect user data.Some...
Mailpit
Mailpit is an open-source, privacy-focused email client for Windows, Mac, and Linux. It was created by developers and privacy advocates who were concerned about email privacy issues like tracking and data collection.Some of the key features of Mailpit include:End-to-end encryption - Emails are encrypted between the sender and recipient using...
MailDev
MailDev is an open source email testing and debugging tool for developers. It runs a local SMTP server and web interface that allows developers to intercept emails sent from web apps or other services, without actually sending them over the internet.Some key features of MailDev include:Catches emails sent from any...
MailSlurp: Developer Email API
MailSlurp is a developer email API and inbox for building and testing email applications. The API handles common email tasks such as:Create unlimited email aliases on demandSend and receive emailsEmail automation with triggersEmail schedulingEmail blocking and allowingEmail address verificationWebhook notificationsAttachment and email data extractionEmail validationEmail forwarding, replying and moreBy abstracting...
Debug Mail
Debug Mail is an email testing and debugging application designed to help developers build and test email features in their software without actually sending emails. It works by providing a mock SMTP server that captures any email sent to it from the application being developed.Some key features and benefits of...
Mailosaur
Mailosaur is an email testing and automation platform designed specifically for developers and testers. It allows you to programmatically test and monitor the email output of your web applications by providing a unique email address to send emails to.Some key features of Mailosaur include:Catch and view emails sent to your...
Ethereal Email
Ethereal Email is an open-source, self-hosted email server software designed to give users complete ownership and control over their email communications and data. As an ethical, private, and secure email solution, Ethereal Email allows you to take back control of your inbox rather than relying on large tech companies.By self-hosting...
MailSpons
MailSpons is a powerful email marketing and automation platform used by over 250,000 businesses worldwide. It makes it easy for companies to design email campaigns, automate workflows, integrate with other software, analyze results, and more.With MailSpons, you can quickly build and send email newsletters, promotions, surveys, and other types of...
Testmail.app
testmail.app is a handy email testing application designed specifically for macOS. It provides a simple interface that allows you to compose, send, and receive test emails entirely on your local machine without needing to connect to an email server.Some key features of testmail.app include:Compose test emails with attachmentsSend emails to...
Mailnest
Mailnest is an email productivity platform designed to help individuals and teams manage high email volumes more efficiently. Its key features include:Mail Merge - Send personalized mass emails by merging contact details from CSV files/databases.Email Scheduling - Schedule emails to be sent at a later, more optimal time.Follow-Up Reminders -...
