Q: How change password in mail

Open Keychain Access in Utilities, use Keychain First Aid under the Keychain Menu item, then either check the Password under that item, change it, or delete it and start over.

You will have to go to the e-mail provider's website to change your password.

Go to system preferences > open the pad lock by entering user name and password .

1. Click on general > change password

2. A window will appear

3.Type old password ......

4.Type new password ......

5. Verify : ......

6.Password hint .....

   Fill the fields .

In last click on change password .

Regrets this method is to change user name & password that i have posted .