Quicksilver: Cannot reset password from sample site

Description

Precondition:
Update mailSetting in web.config in Front site as below:

 <mailSettings>
      <smtp from="noreply@quicksilver.com">
        <network host="youremailserver.com" />
      </smtp>>
    </mailSettings> 

Steps to reproduce:

1. Log in to Quicksilver sample site.
2. Click to view a user profile.
3. Select Reset Password.
4. Input the email => Click Send.

Expected: An email is sent to user's mail box.

Actual: No email is sent

Note:

• Bug also occurs when reset password using For got your password? in log in page
• If user places order, notification email is sent successfully.
• The issue does not happen in Quicksilver - Commerce 10.2.0.