Electronic mail (abbreviated as e-mail, email, E-Mail, etc.) is a very old form of computer-based communication between two devices.
you can see here “How Does E-mail work“. this article will show you all the protocol. which email used.
History Of Email
At previous time technological, The computers were giant machines. People used dial-up terminals to access the machines, And each machine had held storage for multiple users to access each other. So, people’s found useful and unique ways to communicate with other people.
In 1971. The Ray Tomlinson who sent the first email a by using the ‘@’ symbol to the other system.
The email was, at that time, the equivalent of today’s text message. Over time, That’s changed and evolved like something else. It has sender and receiver info, a subject line, a message body, and attachments, but on the whole, emails are pretty simple documents.
It’s not so easy to get it from client one to client two Communication, however. there’s an intricate process involved. It works behind the scenes to make it seem as seamless as possible.
Much ideas used to relying on email were important in the formatting of the document to transfer like image, text as well, which is at the core of things like bulletin board systems for the worldwide web.
POP (Post Office Protocol)
POP stands for Post Office Protocol. It’s useful because, like a post office, you can grab pop for all of your mail, and then leave. You don’t require to stay connected, and aside from leaving a copy on the server.
It’s a pretty offline and online procedure. If you don’t leave a copy on the server, it doesn’t require much storage or bandwidth either. You can use POP to grab the mail from several different inboxes on several different email servers.
The Post Office Protocol is a uni-directional protocol the information to travels from one place to another. Once you send the email to a client, it’s going to the client through its different statuses. It’s fine if you only ever access mail from one place. Nowadays, that’s common to get email access from your phone’s client.
IMAP (Internet Mail Acess Protocol)
IMAP’s a bit smarter rather than POP. While POP can be considered like “client-side protocol,” the Internet Message Access Protocol was designed to work in a different way. that’s like “server-side protocol”. Clients have two-way communication with the servers. All messages are kept on the server. So multiple clients can access them. When you check an email on your phone, It’s marked as read and during the next interaction with the server, It status is sent back.
You can keep a properly marked archive on your home client and on your mail server. IMAP also supports an offline mode. changes are synced with the server after next time you’re online. You can configure IMAP mail servers to fetch mail from POP inboxes, too, which works really well if you’re looking to consolidate. Of course, since IMAP works with the “cloud” ideal, server access and storage can be issued. Thankfully, storage space and bandwidth isn’t as expensive as it used to be, but this can definitely be a trade-off for some people.
SMTP (Simple Mail Transfer Protocol) and MTA (Mail Transfer Agent)
such as physical mailbox, your outgoing and incoming mail is handled by two different types of servers. There’s really no discrimination towards receiving servers. any computer can be made MTA pretty easily and handle things well.
SMTP servers must have static IP addresses, and most Internet Service Provider’s block port 25. So that the users can’t send mail themselves. Why? Because of the massive amounts of spam going away at our collective bandwidth, But the stuff of your MTA must be configured to filter.
You can configure your clients to use your ISP service by SMTP server in running of your own. The point is that you need both a Message Transfer Agent and a Simple Mail Transfer Protocol server to use email as each is specialized for what it does.
Email a Map
When someone, let’s say a spice seller, sends an email to the receiver, It has to have an email address like [email protected]
The email gets sent by the sender to an outgoing mail server through Simple Mail Transfer Protocol. The SMTP server is as your local post office, which checks your postage and address and figures out where to send your mail. It doesn’t understand domains, though. The DNS server is a sort of phone or address book for the internet.
the domain like IP address like “220.127.116.11.” Then, It finds out if that domain has on “MX” or mail exchange servers and makes a note of it. This is like your post office consulting maps of where your mail going up and calling to the local post office.
The SMTP server, The message gets sent from the server to the target domain mail exchange server. This server is referred to Mail Transfer Agent (MTA.) It decides where exactly to place the mail.
It’s not connection-oriented in the network connection and also doesn’t need to be setup expressive for each individual message. Mail server handles incoming and outgoing mail through the network connection.
The post office protocol ( POP ): server store incoming mail while SMTP ( Simple Mail Transfer Protocol ) server relay on outgoing mail The Internet service provider ( ISP ): ISP’s runs both the SMTP server and POP server for its customer.
E-mail is important part of communication between two devices. Because of Today E-mail is growing Up, Most of Entrepreneur and Marketer used the E-mail Marketing Strategy to selling out the product.
The Demand of E-mail marketing going up, Because According to the search engine. Mostly product sold out by E-mail. So The Email is having more popular in internet.
Email marketing is the best way to understand the people about the product. because there are many features for image, text, video, etc. So, It may work as well for all buyer and seller.