That recruiter email may not be real. Scammers are using your online information to sound convincing.

Getty Images; Tyler Le/BI In a tougher job market, job seekers may overlook warning signs of job scams. People should watch out for opportunities with unreasonably high pay and other common red flags. Scammers may use public information about someone to make their outreach messages sound more authentic. Even the people helping others find work aren't immune to suspicious job offers. Colleen Paulson, the founder of Ageless Careers, typically helps older executives find new jobs. She received...