What does SMTP stands for?
It's the contraction of Simple Mail Transfer Protocol, and defines the method that handles the process of email exchange and delivery across IPs.
USE OF SMTP SERVER
Simple Mail Transfer Protocol, a protocol for sending e-mail messages between servers. Most e-mail systems that send mail over the Internet use SMTP to send messages from one server to another; the messages can then be retrieved with an e-mail client using either POP or IMAP.
In addition, SMTP is generally used to send messages from a mail client to a mail server. This is why you need to specify both the POP or IMAP server and the SMTP server when you configure your e-mail application.
SMTP server credential like
User name : .............
Password : .............
Port : ............
Host name : ............
this credential will be configure in your application .
Feature of Standard SMTP server
40k email/day plan
No IP management
No RDNS,DKIM Authentication