1. Log in on server mail.triburg.co.in as details give on login sheet.
2.  Login with Zimbra user.
3.  Run the command -- zmprov -l gaa to get the current user list.
4.  Export the user list in .txt file and copy all current user and paste on excel sheet1 in A colom.  Copy the same users in sheet 2 > press ctrl+h to replace the @triburg.co.in to @archive2.triburg.co.in. All user with update from admin@triburg.co.in to admin@archive2.triburg.co.in. 
5. Copy all the users and paste in sheet one in C colom because TWO TAB gap require to create the archive account. 
6. Delete the all users form the path " vim /opt/zimbra/postfix/conf/archivelist"
7. Copy from Excel and paste zimbra server on " vim /opt/zimbra/postfix/conf/archivelist" path as a Zimbra user.
8. Run the command "postmap  /opt/zimbra/postfix/conf/archivelist"