Here's an excerpt from a so-called Nigerian scammer:
I am the personal attorney / sole executor to the WILL of my late client ? I have a message for you please return my mail for details.Your Respond should be sent to my Private e-mail.
These few lines contain countless mistakes that aren't even worthwhile pointing out. When has clearly written, error-free spam message ever shown up in anyone's inbox? For all spam, the poor quality of the writing reflects the intent behind the senders' schemes and ethics.