Answer:
1. Grammar errors and misspelled words.
Example: if no action is "taking" we will be "force"
Correct words are supposed to be taken and forced.
2. Name of sender "Email_Service" The underscore brings a little suspicion and it doesn't match the name of the email its being sent from.
3. Urgency. In other words this is an "ACT NOW, ACTION REQUIRED" email, which normally come from scams.
4. Threats – LAST WARNING, IF NO ACTION IS TAKEN YOUR EMAIL WILL BE BLACKLISTED.
Step-by-step explanation: