How does email work?
Posted: Sun Feb 02, 2025 9:23 am
E-mail
Electronic mail (electronic mail service or e-mail) is a system for exchanging messages and transmitting information via the Internet. It allows users to send, receive, and store electronic messages that may contain text, attached files, images, audio, or video.
The main components that ensure the functioning of e-mail:
An email address is a unique identifier that consists of a username and domain separated by the " @ " symbol. For example, user@domen.com . An email address is used to send and receive messages.
A mail server is a special server software that brazil email list processes electronic messages. It is responsible for receiving, storing, sending and delivering letters between the sender and the recipient.
An email client is an application or interface that a user uses to access their email. An email client can be a web browser (web interface), an email application on a computer, or a mobile device.
Below are the basic steps that describe how email works:
Creating and sending a letter. The sender creates an email using a mail client or web interface, specifies the recipient's address, subject, and message text. He can also attach files, images, or other attachments to the letter.
MX Record Lookup: The sender's email client consults the DNS system to find the MX record for the recipient's domain. The MX record points to the mail server responsible for handling mail for that domain.
Establishing a connection with the recipient's mail server. The sender's mail client establishes a connection with the recipient's mail server via the SMTP (Simple Mail Transfer Protocol) protocol . It sends the "HELO" or "EHLO" command to introduce itself and start the communication session.
Authentication and authorization. The sender's mail server may require authentication of the sender to ensure that the sender is authorized to send the email from the specified address. This typically involves checking the username and password.
Transferring a letter. The mail client sends a letter to the recipient's mail server via the SMTP protocol. The letter is transferred to the mail server and stored in its mailbox or transferred further to another mail server if the recipient is on another server.
Storage and processing. The recipient's mail server accepts the letter and stores it in the recipient's mailbox. It can perform various operations, such as spam filtering, virus checking, authentication check and other additional processing of the letter.
Electronic mail (electronic mail service or e-mail) is a system for exchanging messages and transmitting information via the Internet. It allows users to send, receive, and store electronic messages that may contain text, attached files, images, audio, or video.
The main components that ensure the functioning of e-mail:
An email address is a unique identifier that consists of a username and domain separated by the " @ " symbol. For example, user@domen.com . An email address is used to send and receive messages.
A mail server is a special server software that brazil email list processes electronic messages. It is responsible for receiving, storing, sending and delivering letters between the sender and the recipient.
An email client is an application or interface that a user uses to access their email. An email client can be a web browser (web interface), an email application on a computer, or a mobile device.
Below are the basic steps that describe how email works:
Creating and sending a letter. The sender creates an email using a mail client or web interface, specifies the recipient's address, subject, and message text. He can also attach files, images, or other attachments to the letter.
MX Record Lookup: The sender's email client consults the DNS system to find the MX record for the recipient's domain. The MX record points to the mail server responsible for handling mail for that domain.
Establishing a connection with the recipient's mail server. The sender's mail client establishes a connection with the recipient's mail server via the SMTP (Simple Mail Transfer Protocol) protocol . It sends the "HELO" or "EHLO" command to introduce itself and start the communication session.
Authentication and authorization. The sender's mail server may require authentication of the sender to ensure that the sender is authorized to send the email from the specified address. This typically involves checking the username and password.
Transferring a letter. The mail client sends a letter to the recipient's mail server via the SMTP protocol. The letter is transferred to the mail server and stored in its mailbox or transferred further to another mail server if the recipient is on another server.
Storage and processing. The recipient's mail server accepts the letter and stores it in the recipient's mailbox. It can perform various operations, such as spam filtering, virus checking, authentication check and other additional processing of the letter.