1 Carlos -hotmail.com -aol.com -yahoo.com -gmail.com Patched -

It specifically targets corporate, academic ( .edu ), or bespoke business email domains, which often indicates a higher-level professional contact or a different type of digital presence.

: The minus sign ( - ) is a Boolean operator used to exclude specific terms from search results. By appending this operator to the world's most ubiquitous free email domains, the query deliberately strips away millions of common, low-signal public email addresses. 1 Carlos -hotmail.com -aol.com -yahoo.com -gmail.com