Mail Clients
Apache Commons Net library contains a collection of network utilities and protocol implementations.
Supported protocols include Echo, Finger, FTP, NNTP, NTP, POP3(S), SMTP(S), Telnet, and Whois.
Last Release on Mar 19, 2026
JavaMail API for sending and receiving emails using standard protocols like SMTP, POP3, and IMAP, supporting both text and multimedia content.
Last Release on Jul 29, 2025
Jakarta Mail API 2.1 Specification API
Last Release on Sep 19, 2025
Apache Commons Email provides an API for sending email, simplifying the JavaMail API.
Last Release on Dec 22, 2023
5.Vert.x Mail Client59 usages
io.vertx » vertx-mail-client Apache +1
Vert.x Mail Client
Last Release on May 5, 2026
6.JavaMail API JAR620 usages
javax.mail » javax.mail-api CDDL +1
7.JavaMail API (compat)3,185 usages
javax.mail » mail CDDL +1
JavaMail API for sending and receiving emails using standard protocols like SMTP, POP3, and IMAP, supporting both text and multimedia content.
Last Release on Mar 9, 2013
Relocated → javax.mail »
javax.mail-api
8.JavaMail API1,536 usages
com.sun.mail » javax.mail CDDL +1
The JavaMail implementation supporting email protocols like SMTP, POP3, and IMAP for Java applications.
Last Release on Aug 29, 2018
Relocated → com.sun.mail »
jakarta.mail
9.JavaMail API JAR54 usages
javax.mail » mailapi CDDL +1
Plexus Mail Sender API
Last Release on Aug 9, 2007
