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Based on the error message you're seeing; the next step would be to reach out to your email provider since it's indicating they blocked the account.
In the title of your post, you reference the Edison Mail app. If you're using a third-party application, you may find application specific troubleshooting helpful in reaching a resolution. Those steps are outlined below and can be found in the following article. Completing these steps may resolve the issue before needing to contact the email provider.
- "If an app doesn’t quit as expected, or it’s unresponsive, you can force quit the app (you may lose unsaved changes). Choose Apple menu
> Force Quit, select the app in the dialog that appears, then click Force Quit. - If the app quit, reopen it by clicking Reopen in the dialog that appears.
- Restart your Mac by choosing Apple menu > Restart.
- Make sure the app is compatible with your version of macOS.
- Open another file in the app. There may be a problem with the original file.
- Check for updates to your software.
- Disconnect any peripheral devices you just connected (for example, a printer). They may not be compatible with your version of macOS.
- Uninstall any app plug-ins or enhancements from other manufacturers. If you recently updated the app or macOS, a plug-in or enhancement you installed may no longer be compatible.
- Diagnose problems with your Mac to learn whether hardware you installed, such as additional memory, is incompatible, improperly installed, or defective."
If an app freezes or quits unexpectedly on Mac
While the title of the article refernces a different issue, the steps are extremely helpful in resolving app specific issues. If the issue continues and you need assistance with locating the developers contact information, those steps are outlined in the following article.
How to contact an app developer
Take care!
