Top 4 Open-Source Alternatives to Lettre

Product categories

Email Email Delivery Email Management Email Testing MTA Office Suites SMTP Server Tool Transactional Email

Summary

The top open-source alternatives to Lettre are Inbucket, MailHog, and Mailtrap. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Inbucket Landing Page
1

Inbucket

Inbucket is an email testing application; it will accept messages for any email address and make...
Pricing:
- Open Source
#SMTP Server #Email #MTA 3 social mentions
MailHog Landing Page
2

MailHog

MailHog is an email testing tool inspired by MailCatcher, but easier to install.
Pricing:
- Open Source
#Email #Office Suites #Email Testing
Mailtrap Landing Page
3

Mailtrap

Email Delivery Platform that delivers just in time.  Great for businesses and individuals.
Pricing:
- Open Source
- Freemium
#Office Suites #Email #Email Testing 50 social mentions
OpenSMTPD Landing Page
4

OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
Pricing:
- Open Source
#SMTP Server #Email #MTA 2 social mentions