mail verification tool, capable of verifying email addresses across a range of providers, including Yahoo, Gmail, Outlook, and all IMAP services (in the free version).

10 usd$ for paid dm if interested in paid
paid features:higher cpm
free version:
https://www.dropbox.com/scl/fo/ih8rs9rj3fh2fy6dsqc7i/h?rlkey=uxqzjv5e4ahulkd0ct01cm1ie&dl=0