JavaMail: Error in subject “?ANSI_X3.4-1968?Q?Testmail….“System.setProperty(mail.mime.charset,U
JavaMail: Error in subject “=?ANSI_X3.4-1968?Q?Testmail….“
System.setProperty("mail.mime.charset","UTF-8");?
Important for JBoss: You have to restart JBoss.