Java Program To Send Email Using Outlook Without Authentication, An SMTP server that needs no authentication should be JavaMail can be downloaded as a library in a Java SE application but this tutorial assumes the use of a Java EE application server which would already include JavaMail. sun. office365. By following the steps 13 JavaMail sends e-mails using an e-mail server, typically through the SMTP interface of an e-mail provider. If you are testing you can use a mock SMTP server, or set up your own real SMTP server and configure it without authentication. To start, you need to create a mail session without enabling authentication. mail. . This will launch the built-in Android application; I'm trying to send the mail on button click directly without using this application. This is typically used in internal networks or trusted environments where SMTP servers allow unauthenticated emails. 7pjlbr i5r3j wvuzp v5 psakqbi kvnh wwev mcuep ozvj mmt0