Here are the steps that you have to follow to login zoho email account.
You need to sign up first into Zoho to login into your email account. Then you have to fill in your Zoho email credentials and click on log in.
If you have forgotten your password, then you can change it from the Zoho email login page. The option of 'forgotten password' will take you to a page from where you can change the Zoho password and hence mail Zoho com login.