This is a MAJOR update of DSM. DO NOT UPDATE TO DSM 6.2 with Jun's loader 1.02b or earlier. Your box will be bricked.  You have been warned.   https://www.synology.com/en-global/releaseNote/DS3615xs

We have been experiencing email server issues. We are working on it. Bear with us. Thank you. ------------- Problem has been fixed. You might receive duplicate emails. Sorry for that.