Refer to the exhibit. Which type of authentication is in use?
A. POP3 authentication
B. SMTP relay server authentication
C. external user and relay mail authentication
D. LDAP authentication for Microsoft Outlook
Refer to the exhibit. Which type of authentication is in use?
A. POP3 authentication
B. SMTP relay server authentication
C. external user and relay mail authentication
D. LDAP authentication for Microsoft Outlook