October 03, 2008, 10:47 AM — The Internet Engineering Task Force provides RFC2821, which is an excellent reference for understanding the details of email transport protocols. In order for email administrators to know what they are up against, in thwarting spammers, RFC2821 should “the†primer to ingest. I’m sure spammers have this document memorized, before embarking on their spamming offensives. To know the enemy, we must read what they read.
RFC2821 provides a rudimentary diagram, which powerfully explains the SMTP Model. A simple explanation sets the stage for a basic SMTP understanding. Once an Administrator grasps the basic concepts, then more of the details become easier to follow. Read the rest of this article













