Re: The Complexity of a Simple Prefix
The main subject of this blog post is the “Re:” prefix used in the “Subject:” header line of most email replies, but the implicit subject is how MailMate handles the huge gap between theory and practice when dealing with many email headers. The story of the “Re:” prefix is in many ways a typical email header story. What may seem like a simple problem quickly becomes very complicated when 40 years of email history has made its mark.
