As time is progressing, the business houses and corporate sectors are initiating strategies that can let their business standards reach new heights. Now, if you talk about any sort of business, it is communication that strengthens the relationship with a client thereby bringing immeasurable profits to the company. Today, the communication technologies have got highly advanced and therefore all such conventional communicative gadgets like phones and wirelesses have given way to a super fast and highly advanced communicative technology like emailing. Rather emailing has undergone a huge development and has brought SMTP or Simple Mail transfer Protocol in the majority of business organizations.

What is SMTP

Simple Mail Transfer protocol refers to an electronic mail processing server that transmits emails across IP networks. It was the year 1982 when RFC 821 defined this technology for the first time. RFC 5321 has made the last updates. It’s the ESMTP or Extended SMTP specifications that are being used extensively on a global basis. This advanced technology has been designed to transport outgoing emails with the help of Port 25. Port 587 is used by the protocol to make fresh submissions which is almost similar to the Simple Mail Transfer Protocol.

The Usage

Usually email servers as well as the mail transfer agents make use of SMTP to both deliver and receive messages. However, the user-level clients use SMTP exclusively to get messages delivered to a mail server for the purpose of relaying. To receive the messages, client applications use either Internet Message Access protocol (IMAP) or Post Office Protocol (POP) or often a proprietary system to enter personal mail boxes on a mail server.

SMTP Ports

With the application of SMTP on TCP Port 587, the email client delivers his email to a mail server. There are many mailbox providers found today who still prefer to do submission on port 25. The mail submission agent transfers the mail to the mail transfer agent. These agents are nothing but different specifications of the same software that have been launched with different options on the very same machine.

SMTP Commands

The text-based protocol SMTP enables a mail sender to get in touch with a mail receiver only if he issues command strings and provide necessary data over a reputed data steam channel like a TCP or Transmission Control Protocol. Now, SMTP transactions comprise certain commands that make the entire technology work smoothly:

MAIL – This is a command that identifies and establishes the return address. Without this command, it can never be possible to receive messages.

RCPT – This is also a crucial command that identifies the recipient of the message. This command can always be issued several times in the format of one for each recipient.

DATA – This command is quite crucial for sending text messages. This command comes with a message header and a message body that are segregated by an empty line.

So, if you are willing to install SMTP mail server software, you can always get in touch with a software professional and get it installed in your laptop. Remember, SMTP mail server software can fetch you exceptional results in comparison to your same and old mail sending server.