Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks. The default port for SMTP is which of the following?
A.
21
B.
25
C.
443
D.
110
Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks. The default port for SMTP is which of the following?
Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks. The default port for SMTP is which of the following?
A.
21
B.
25
C.
443
D.
110