Latest version of javax.mail:javax.mail-api
https://javadoc.io/doc/javax.mail/javax.mail-api
Current version 1.6.0-rc1
https://javadoc.io/doc/javax.mail/javax.mail-api/1.6.0-rc1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/javax.mail/javax.mail-api/1.6.0-rc1/package-list