When discussing e‑mail you will be exposed to a number of different terms that you may not be familiar with. Here are the most common:

Bounced E‑mail: E‑mail messages that get returned to the sender because there was some sort of problem and the e‑mail could not be delivered.

E‑mail Address: This is what people type in to send e‑mail to you—<[email protected]>. E‑mail addresses always include the @ (at sign).

E‑mail Body: The main section of the e‑mail with whatever text you have written.

E‑mail Headers: Several lines of information that appear prior to the body of an e‑mail message. The headers contain a lot of information about where mail has come from and which mail server received it. Most e‑mail programs don’t show full headers by default since there can be so many of them. If you are having problems with spam or bounced e‑mail messages, the full headers of the message contain information that can help track down the problem.

IMAP: This is a protocol for fetching...