Read Me First

The original idea is from
https://medium.com/@samyakmoon855/send-email-notification-using-spring-boot-part-1-synchronous-approach-311d80620a8e

Gmail Password

To enhance security, generate an App Password for application-specific access.

Simply go to https://myaccount.google.com/apppasswords

or here are the steps to generate an App Password

1. Sign In to Your Google Account: Log in to the Google account by which you want to send email.
2. Go to “Manage your Google account.”
3. In the search bar, search for app passwords.
4. Type an App name of your choice and click on create.
5. A popup window will appear saying “Generated app password.” Copy it and paste it in place of {SENDER_MAIL_PASSWORD}.

Html Mime

The original idea is from https://rkumar0206mnirks.medium.com/send-email-using-javamailsender-b61480311102

Thymeleaf

The original idea is from
https://blog.devops.dev/sending-email-in-spring-boot-6c976a12ecf7

Free Marker

The original idea is from
https://medium.com/@ujwala.magdum/forgot-password-flow-in-user-login-with-jwt-token-79a0c1538e30