Configuring TLS with SMTP on Tableau Server requires configuration via CLI Via JSON import I usually export the existing settings to backup before I make changes. You can also copy the basic portion out of the export and adjust for import....
c:\Program Files\Tableau\Tableau Server\10.3\bin>tabadmin set gateway.public.host “tableautest.mytechdocs.com” — value for key gateway.public.host has been set c:\Program Files\Tableau\Tableau Server\10.3\bin>tabadmin set gateway.public.port “443” — value for key gateway.public.port has been set c:\Program Files\Tableau\Tableau Server\10.3\bin>tabadmin set gateway.trusted “192.168.1.13” — value for key gateway.trusted has been...