Php simple dockerized app to send mail. You can use it as docker-compose service with Node JS project and more. It uses PHPMailer (https://github.com/PHPMailer/PHPMailer)
docker build -t lbgm/mailer -f Dockerfile ./ --build-arg MAIL_SERVER=mail.example.com --build-arg MAIL_PORT=465 --build-arg MAIL_SECURE=ssl --build-arg MAIL_ACCOUNT=noreply@example.com --build-arg MAIL_ACCOUNT_PASSWORD=password --build-arg FROM_MAIL=noreply@example.com --build-arg SMTP_DEBUG=4
make http post request on http://yout_image_name_or_localhost:port/send-mail/ response codes: 200/201 on success end 403 on failed
{
"title": "it work lbgm !",
"to_mail": "b*****@gmail.com",
"to_name": "Balthazar DOSSOU",
"message": "Hi Balthazar, your mail-with-php docker app work well !",
"from_name": "Mail With PHP"
}