535 5.7.0 (#AUTH005) Too many bad auth attempts error when trying to send email.

If you get the "535 5.7.0 (#AUTH005) Too many bad auth attempts" error when trying to send email through Yahoo, AOL, or AT&T, it usually means that their servers are blocking third-party access due to security settings. Here's how to fix it:
  1. Log In: Go to the Yahoo, AOL, or AT&T website and log in to your account.
  2. Access Account Security:
    • Find and select the Account Security option in your account settings.
  3. Generate App Password:
    • Click on Generate app password.
    • Choose Other App from the list.
    • Enter BLS-2024 as the name for the app password.
    • Click Generate.
  4. Use the App Password:
    • Note down the app password that is generated.
    • Enter this app password in place of your regular password in the BLS email settings.
    • Make sure Login using User Name and Password is checked.
    • Make sure Use Advanced Settings to set SMTP Server Port is checked
    • Make sure SMTP Server Port is set to 587
    • Make sure SMTP Server requires SSL and/or TLS Mode is checked
    • Make sure that SMTP SSL/TLS Start Mode is set to Automatic.
This process creates a unique password for the email application, bypassing the default restrictions. Keep in mind that Yahoo, AOL, or AT&T might update their security measures, so check for any changes if you encounter issues.