The Simple Mail Transfer Protocol (SMTP) server is a communication protocol or the technology behind email communication. In other words, SMTP is the protocol that allows you to send and receive emails. Every SMTP server has a unique address and needs to be set up in the mail client that you are using.
How do I find my SMTP server?
Select your email address, and under Advanced Settings, click Server Settings. You'll then be brought to your Android's Server Settings screen, where you can access your server information.
Is Gmail an SMTP server?
Google's Gmail SMTP server is a free SMTP service which anyone who has a Gmail account can use to send emails. ... Outgoing Mail (SMTP) Server: smtp.gmail.com. Use Authentication: Yes. Use Secure Connection: Yes (TLS or SSL depending on your mail client/website SMTP plugin)