Since sending and receiving emails is routine, we rarely consider the technical details involved in this lightning-fast electronic communication. However, the email server plays a vital role in electronic correspondence. The technology that makes email servers work is fascinating. The best way to Buy SMTP Service from NitroMail.io.
SMTP and other server types like POP3 and IMAP make email transmission feasible. Microsoft Outlook, Mozilla Thunderbird, and Mail for Mac OS X are the three most popular email clients. All of these email clients accomplish the same thing: fetch new messages from an email provider’s server and save them locally on the user’s computer.
The client-server model is the backbone of all Internet communication. When two computers communicate over the internet, one is called a client, and the other a server. Each computer has its own unique Internet Protocol address and uses it to connect to the other.
Servers are only software applications that can be executed on powerful computers. These lightning-fast computers are built to process millions of users’ requests simultaneously. For example, requests from an email server or website users are all processed simultaneously. The term “web hosting” describes this operation.
When you send an email, your computer establishes a connection with the mail server operated by your email provider. A server that processes emails is one example. A Simple Mail Transfer Protocol (SMTP) server is an email server for transferring messages. The email travels from one SMTP server to another before arriving at its final destination.
The addresses of the sender and the recipient are included in every email. When sending an email, the sending client establishes a connection with the receiving server (SMTP). The client transmits the sender’s and receiver’s addresses and the message’s body. The SMTP can pinpoint where the email’s intended reader is. The domain is looked up using the email address of the receiver. Everything will go smoothly if the recipient’s email address is in the same field as the sender’s.
An IP address, or domain name, is a unique address on the World Wide Web. The Domain Name Registry records the associated IP address for a particular domain name. The SMTP server inquires about the registry by contacting the DNS server.
The SMTP server receives the address from the DNS server and sends it back. An email is transmitted from the SMTP server to the server used by the recipient’s email provider. This server verifies that the recipient’s email address is valid before passing it on to the receiving POP3 or IMAP server.
We save our email addresses on POP3 servers. A username and password are required to access each email account. The POP3 server will hold the message until the recipient accesses their email account.
To download messages, an email client must signal the POP3 server that it can do so. Once the email has been downloaded to a user’s local system from a POP3 inbox, there is no way to access the same email on another device. IMAP4 (Internet Message Access Protocol version) was developed to solve this problem by keeping a backup copy of all emails on the server.
As a result, the email can now be accessed from anywhere. These days, you can send an email with an attached video or music file using MIME (Multipurpose Internet Mail Extensions). Email operates on a fundamental principle, yet it processes millions of daily requests from users worldwide, making it one of the most sophisticated forms of mail delivery.