Flask api over Google SMTP account.
API_MAIL_USER - google mail user API_MAIL_PASS - google mail password
Run command: docker run -p 9505:9505 -e API_MAIL_USER="test@gmail.com" -e API_MAIL_PASS="test" skykery/api_mail
Example of POST to send an email: curl -X POST http://127.0.0.1:9505/mail/ -d '{"to":"test@test.com", "subject": "Hello from flask", "body": "Hmm, seems its working, from docker mofo!"}' -H "Content-Type: application/json"