![]() ![]() An MTA or SMTP server runs on the default port of 25. So when your mail client forwards the message to your SMTP server, it will give the entire message you composed, with the help of those well defined commands.Īn SMTP server is also called as MTA - Mail Transfer Agent (because its the component, which does the job of taking your messages and transferring it to your required recipients SMTP server). Once your email client has connected to SMTP server, it will forward the message you have just composed to the server.Īll SMTP server's (No matter which), understands a certain set of commands, while sending an email. Step2: After you have composed your email with the help of your preferred Email Client, the email client will connect to your SMTP server (the configuration that you have provided, while configuring your email client). Your IMAP(Internet Mail Application Protocol)/POP(Post Office Protocol) server and port (with username and password.Your SMTP server and port ( This is used for sending email).If you are using an application like thunderbird or outlook, you might already know the fact that you need to provide the below things to configure it, so that you can send and receive emails. You will often encounter this term, when discussing about e-mails. An email client is sometimes called as a MUA(Mail User Agent). ![]() An email client can be an application installed on your computer like MS Outlook, Mozilla Thunderbird, or a web based email client like, yahoomail etc(when i say web based mail clients, all those websites, which you open using your web browser, to receive and send emails). Step1: You compose a message using an Email client of your interest. Below mentioned are typically the steps that happen while sending an EMAIL. So if you want to send an email to somebody, you need to talk to that person’s SMTP server(Basically your domain's SMTP server will talk with the receivers SMTP server while sending an email). SMTP(Simple Mail Transfer Protocol) is the protocol that governs all mail servers over the internet. So let's get back to our topic, of what happens when you send an email to somebody. Or interested in understanding the zone file and its contents, then the below post can shed some light. If you are a system administrator, and looking for configuration details about DNS zone file in BIND. Read: Recursive and Iterative DNS queries The below articles does not contain the full details of DNS, but yeah it will surely shed some light around the concept, if you are new to DNS (or system administration in general) If you are new to DNS and its working, i would recommend reading the below posts, to get an idea to get started. How your computer reaches your required destination. My understanding is that, if you know DNS and its components in full detail, you will get an idea of how internet is working. ![]() The underlying technology (I must say one of the underlying technology), that enables email, or internet for that matter is DNS. ![]() We will be discussing about MX Records in this tutorial.īefore getting inside the details of configuration, let’s get an understanding of what happens, when you send an Email to somebody. I must say one major component of an important technology that enables email to work the way it is required to )that each one of us uses knowingly or unknowingly while sending and receiving emails. We will be discussing about one of the important underlying technology (when I say underlying technology, do not have the impression that this underlying thing is only used for emails. The reason am talking about these statistics about email is because of the topic that we will be discussing in this article. That’s an enormous amount of messages exchanged daily(i believe 70 percent or more are spam or unwanted advertising emails). Another interesting thing about this email is the fact that only half of them are important to the person receiving it.Ī whopping estimate of 155 billion emails are sent on a daily basis. At times I have felt checking emails too frequently does affect productivity(probably because it does divert you from the current task at hand). Emails has become such an important part of our lives, that an employee(no matter what field of work he is into) normally spends about 30 percent of his time, solely for reading/sending emails. ![]()
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