Configure password policy:

1. Sign in to Zoho Directory , then click Admin Panel in the left menu.
   
2. Go to Security, click Security Policies, then click on the policy you want to configure.
   
3. Go to Password Policy, then click Setup.
   
4. Select from the three preset Password Strengths or choose Custom.
   
5. If you chose Custom, set:
   

   Minimum length for a Password	The minimum number of characters the password must have.
   Mixed Password	When this is enabled, users have to set passwords with both upper and lower case characters.
   Minimum special characters	The number of special characters the password must have.
   Minimum numeric digits	The number of numeric characters the password must have.
   Maximum password age	The number of days users can use a password for.
   Refusal of Previously Used Passwords	The number of most recent passwords that users can't reuse.

   
   
6. Click Update Policy.