Which of the following is a common protocol used to send email?
A.
POP3
B.
FTP
C.
SFTP
D.
SMTP
Which of the following is a common protocol used to send email?
Which of the following is a common protocol used to send email?
Which of the following is a common protocol used to send email?
Which of the following is a common protocol used to send email?
A.
POP3
B.
FTP
C.
SFTP
D.
SMTP