The following is the error i get when i execute a simple package containing send mail task. i have configured the SMTP connection manager with server-smtp.office365.com and checked the windows authentication and ssl options too.
Thanks
Error: 0xC002F304 at Send Mail Task, Send Mail Task: An error occurred with the following error message: "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 SMTP; Client was not authenticated to send anonymous mail during MAIL FROM [BMXPR01CA0031.INDPRD01.PROD.OUTLOOK.COM]".