SendGrid is the one platform we use for sending transactional emails through our platform. SendGrid is free for 12,000 emails a month and charges just $10 for 40,000 emails per month.
A transactional email is used to:
Using SendGrid on AWS is straightforward. But when you’re using SendGrid via Google Cloud Platform, there’s something you need to do. You need to proxy the emails through Google’s Other ports that you can manually open. The documentation here would help you with that.
Please note that SendGrid login credentials are available in our self-hosted password manager. Connect through VPN to access it.