Using automated tools to test leaked passwords against accounts you do not own is illegal in most jurisdictions. In the United States, this directly violates the Computer Fraud and Abuse Act (CFAA).
If you encounter suspicious email or files, several reporting mechanisms are available: HackUs Mail Access Checker.zip
: It adds itself to Windows Defender exclusion lists to hide its activity. Using automated tools to test leaked passwords against
Tests if the credentials allow sending mail, which is a common target for spam operations. High-Speed Multi-Threading HackUs Mail Access Checker.zip
Are you looking at this from a perspective, or are you trying to clean an infected system ?