customizing email-based self sign-up in Moodle

Copy-pasting from an email conversation - 

• There is a discussion here for customizing the welcome email for the students - https://moodle.org/mod/forum/discuss.php?d=389805
  
  
• To change whom to send the confirmation email in the case of "self registration with admin confirmation"  - Navigate to `Site Administration --> Plugins --> Plugins overview --> Email-based self-registration with admin confirmation ( Settings ), you should be able to set captcha and admin email id to be whom the email to be sent. 
  
  
• If you would like to change any email content,etc. Navigate to `Site Administration --> General --> Language customisation --> Choose English ‎(en) --> Open language pack for editing --> In filter strings choose auth_emailadmin --> Click Show Strings`, it has detailed descriptions on what each string means. If you would like to update/customise any email content, etc you can update there accordingly.