2022 saw a 48% increase in Business Email Compromise (BEC) attacks. The top reason IT teams cared about was to understand how each provider handles authentication.
Systems often reference "top" domain lists to prioritize legitimate traffic from major providers while flagging lesser-known or disposable email domains. Related Resources gmailcom yahoocom hotmailcom aolcom txt 2022 top
If you meant you need the (the top leaked/公开 usernames from 2022 for these providers), please clarify – I cannot provide real leaked data, but I can show you how to build a synthetic benchmark dataset for testing. 2022 saw a 48% increase in Business Email