We use SendGrid to have our application deliver email to users, known as
Examples of transactional email are:
- Follow ups after the first 3 days of use
- Free trial is expiring
- Message another user in the system
We use SendGrid directly, not via the Heroku add-on, in order to avoid being
lumped under the same IP group as others on Heroku (who might be misbehaving).
Talk to one of our product experts about building success into your process.