- For devs
How Connection Pooling Helped Us Cut Delivery Time In Half, Offer Opportunistic TLS
This post was written by Russell Jones, a software developer at Mailgun responsible for open-sourcing our mime-parsing library flanker. Today he’s going to blog about how we optimized outbound connections and reduced sending time while implementing opportunistic TLS. The same technique can be used to optimize everything from web crawling to high-throughput external APIs, but we’ll discuss SMTP as an example.