https://techcommunity.microsoft.com/discussions/partnershelpingpartnerstechtopics/1-8-77-6-6-0-6-4-7-4-does-att-net-use-yahoo-helpdesk/4332219https://techcommunity.microsoft.com/discussions/partnershelpingpartnerstechtopics/1-8-77-6-6-0-6-4-7-4-does-att-net-use-yahoo-helpdesk/4332219