Jakarta Mail (formerly JavaMail) is a Jakarta EE API used to send and receive email via SMTP, POP3 and IMAP.
[2] Another open source Jakarta Mail implementation exists (GNU JavaMail), which -while supporting only the obsolete JavaMail 1.3 specification- provides the only free NNTP backend, which makes it possible to use this technology to read and send news group articles.
The reference implementation is part of the Eclipse Angus project.
Maven coordinates of the relevant projects required for operation are: Jakarta Mail is hosted as an open source project on Eclipse.org under its new name Jakarta Mail.
[3] Most of the Jakarta Mail source code is licensed under the following licences: Sample Code to Send Multipart E-Mail, HTML E-Mail and File Attachments