Changing your ReachMail password can be done directly from your account dashboard. Log in to ReachMail and in the Account Overview section there is an EDIT button. Click that and you will be shown the settings for your currently logged in user.
Enter a new password in the Password field and confirm it in the Retype Password field. Click Save and your password will be update. Note that your password must be at least 8 characters long and include at least one uppercase character, one lowercase character, a number, and a special character (e.g. ?, !, *, etc.).
Need to reset your password? Check out the resetting instructions.