Delivering Mail

How the process of delivering emails works. Plus, a detailed explanation of the communication protocols involved.

Hi Friends,

Welcome to the 44th edition of the Polymathic Engineer newsletter. We all make extensive use of emails in our daily jobs. But as software engineers, it’s also interesting to dig deeper into how email delivery works under the hood.

The outline will be as follows:

• Physical mail vs. Emails

• Emails delivery pipeline

• Email protocols

• Email message format

• …