Sending and receiving of Email and Connection of Outlook

EAC>Servers>Certificates, services of properties in your Exchange Server CA

and select all except about UM.

EAC>Servers>Servers, in properties of Outlook Anywhere, enter URL for connecting from outside. Select NTLM in authentication method and uncheck Allow SSL offloading.

Check Anonymous users.

EAC>mail flow> send connectors, specify new send connector

Select your Exchange Server

In OWA you can send test email to external email server

Outlook also log in and can see same email.