User can 

• Send email to multiple addresses at a time on a single click. 
• Receive responses of send mail on selected email address .

STEPS:

• Go to Utilities ---> MailSystem ----> Mail Permission
• First of all select mail server name for sending mail / receiving response of sent mail and set Priority level .
• In TO field write email address of persons to whom you want to send mail .( in case multiple mail addresses, mail address should be separated by comma (  , ) .) 
• In CC field write email address of persons to whom you want to send carbon copy of email ( optional ) .
• Write subject of mail in Subject field .
• Write content of mail in text body .
•  Attach file by browsing window in Attachment field ( optional ) .
•  Press Send button to send email .