2. SMTP
Simple Mail Transfer Protocol is an Internet standard for e-mail
transmission. First defined by RFC 821 in 1982, it was last updated
in 2008 with the Extended SMTP additions by RFC 5321 which is the
protocol in widespread use today.
3. POP3
POP3 is a protocol for receiving e-mail by downloading it to your
computer from a mailbox on the server
4. IMAP
Internet Message Access Protocol is something that allows an e-mail
client to access e-mail on a remote mail server.
5. NTP
• Network Time Protocol is something that synchronizes clocks over
a computer network
6. SSL
• Secure Sockets Layer that is a commonly used protocol for
managing the security of a message on the Internet
7. SMS
Short Message Service is a text messaging service component of
phone, Web, or mobile communication systems.
8. FTP
A computer that allows downloading and uploading in some cases,
of files by the use of file transfer protocol over the internet.
