Protocol-: Using the email some rules are established these called protocol. There are some protocol here
1.SMTP- Simple Mail Transfer Protocol-:
2.POP-Post Office Protocol
3.IMAP-Internet Mail Access Protocol
4.MIME-Multimedia Internet Mail Extension
Email Address-: Here are a particular id for a particular user. in this email address has 4 parts they are here as like viksingh@gmail.com
- First part is a user name as like “viksingh”
- Second is “@”
- Third part is server name
- Domain name