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How To Guides & Software Tutorials You can acknowledge them for some actions, urge them to come back on the website by promoting some exciting offers, keep them in the loop by sending new updates, information, etc.
For PHP applications, you can use PHPMailer and Swift Mailer libraries that allow you to send emails through SMTP servers.
If you intend to use Gmail SMTP, Hosting provided SMTP then you have to pass your login information – username, password.
Note: If someone wants to do the same task using the Swift Mailer library, then refer to our article How to Send Email using Gmail API in PHP.