Check out the company's address, phone number, and website to make sure they look legitimate. It's pretty easy for a company to get a fake address phone number and website. If you can visit the company's physical address and talk to people who work there. If you're still not sure about the company, send them an email or letter and get a phone number you can call.
Once you've done this, you'll have a much better sense of whether or not it's a scam.
When you're dealing with a scammer, you may find that they ask you to pay a deposit or fee up front. This is a classic scam tactic. If you pay the fee, you'll never receive the product or service you paid for.
If you find yourself in this situation, you need to realize that you're dealing with a scammer. You can't trust