If you use the Zimbra LDAP directory server for authentication, you can set users passwords. If you use external authentication, passwords are not managed by the Zimbra LDAP server.
It is good practice for the administrator to set at least an initial password when creating accounts. After that, users can change their own passwords based on the password options set up for the account.
Passwords are stored in an encrypted manner in the LDAP directory server. If users forget their password, a new password must be created.
Go to Manage>Accounts and select the account to edit.
Open the General Information page, enter a new password and re-enter to confirm.
Click Save.
Contact the user with the new password.
Click Manage>Accounts to list accounts in the content pane.
Select the account and in the gear icon click Change Password.
Enter and confirm the new password in the Change Password dialog. Check Must change password, to force the user to change the password upon sign in..
Click OK.
Contact the user with the new password.
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