A simple Kotlin example using Spring Boot Email with an Amazon SES SMTP user
Important - don’t create this User under IAM.
Instead, go to - Amazon SES Home > SMTP Settings > Create My SMTP Credentials
SES_SMTP_USER={Your SMTP Credentials Username}
SES_SMTP_PWD={Your SMTP Credentials Password}
SES_SMTP_FROM={Your ses-smtp-user@yourdomain.awsapps.com}