Migration in Control Panel with Gmail not working?

Migration in Control Panel with Gmail not working?

Hi,

I keep geting an error in a dialog box:
Authentication details provided was rejected by Source server. Kindly provide valid username and password.
I also receivd an email from google saying:


Sign-in attempt prevented
Hi,
Someone just tried to sign in to your Google Account from an app that doesn't meet modern security standards.  We strongly recommend that you use a secure app, like Gmail, to access your account. All apps made by Google meet these security standards. Using a less secure app, on the other hand, could leave your account vulnerable.  Learn more .

Google stopped this sign-in attempt, but you should review your recently used devices:

Is there a workaround to get my old gmail emails into zoho? Thanks.