I am facing an "com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Client was not authenticated" exception when using tSendMail to send mail using MS Exchange Server. The credentials are correct as these work when I am using them in Apache Camel. I am using TOS_DI version 6.4.1. Would appreciate any pointers.
What's your MS Exchange Server environment? Exchange 2010?
Could you please take a look at this article:http://www.servolutions.com/support/articles/exchange2007clientnotauth.htm to see if it works for you?