Blynk local server send mail welcome message body

Hello, I installed blynk server on my vps server. works smoothly. A mail is sent when you subscribe from the andorid application. welcome he happy blynk. i want to change this


Auth Token: ------------

Happy Blynking!

Getting Started Guide -> https://www.blynk.cc/getting-started
Documentation -> http://docs.blynk.cc/
Sketch generator -> https://examples.blynk.cc/

Latest Blynk library -> https://github.com/blynkkk/blynk-library/releases/download/v0.6.1/Blynk_Release_v0.6.1.zip
Latest Blynk server -> https://github.com/blynkkk/blynk-server/releases/download/v0.41.13/server-0.41.13.jar

https://www.blynk.cc
twitter.com/blynk_app


How can I change this mail? This message comes when you become a new member. when I sign up and want tokens. The message body in the name is coming.
Where can I change the mail sent when I first become a member?

Pete.