eMail Message Category

1. eMail message can be categorized into six major categories (I categorized personally). Please refer picture above for pictorial understanding.

Note

1. eMail with formatted message and attachment(s).

2. eMail with unformatted message and attachment(s).

3. eMail with formatted message but without attachment(s).

4. eMail with unformatted message but without attachment(s).

5. eMail without message but with attachment(s).

6. eMail without message and attachment(s).