Top 6 Java SMTP Projects

Simple Java Mail

2 1,171 8.7 Java

Simple API, Complex Emails (Jakarta Mail smtp wrapper)
james-project

2 820 9.8 Java

Emails at the heart of your business logic!

Project mention: Show HN: Swift Mail, a native macOS app for JMAP mail | news.ycombinator.com | 2024-02-13

James (https://james.apache.org) has good support too. Only the filter part of the API lacks some features.
InfluxDB

www.influxdata.com
sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
GreenMail

2 600 9.0 Java

Official master for the Greenmail project

Project mention: Mailpit – a better way for email testing | news.ycombinator.com | 2023-06-23
davmail

2 539 8.7 Java

DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at
TrashEmail

1 535 0.0 Java

A hosted disposable email telegram bot; Extremely privacy friendly; Proudly hosted for community.
lunaticsmtp

1 52 2.1 Java

Dummy SMTP server with JavaFX UI for testing email sending applications

Project mention: Mailpit – a better way for email testing | news.ycombinator.com | 2023-06-23

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2024-02-13.