Paste the email address into Google Search using quotation marks (e.g., "example@gmail.com" ). This finds public mentions on websites, forums, or PDFs.
Tools like Mailmeteor can pull job titles, company names, and LinkedIn profiles for professional addresses.
Detect phishing attempts by checking if an email is associated with reported fraud.
If you are looking to build this feature into an or website , I can provide details on APIs (like Hunter.io or FullContact) that automate this process.

