ยท Guides
How does BCC work?
A technical explanation of how CC, BCC, and SMTP Envelopes work in email
A technical explanation of how CC, BCC, and SMTP Envelopes work in email
How we migrated from storing attachments as base64 strings in postgres to an Object Storage system
A post mortem on a recent two hour outage for our API and Application
An example of how we can use Redis to cache data when communicating between micro services and http services more generally
How we used environment variables and Fly Machines to automate our TLS certificate renewal for our SMTP servers
We saw some slow sending of a small subset of emails for about 16 hours, here's how we diagnosed and fixed the problem.