Mailspring can't login to google mail

[dharjai (Dinesh)]

Solution found here, works perfectly.

Can't add gmail account - This app is blocked

The solution is simple! protip: read the logs This was in my log. 2 NO [ALERT] Application-specific password required: https://support.google.com/accounts/answer/185833 (Failure) Basically you have to create an app specific password for Mailspring. Go to this link (Create and manage your app passwords - https://myaccount.google.com/apppasswords ) & create a new app password specific for mailspring. Name the app password whatever you want. Go nuts and name it something like “Mailspring” then …

works perfectly with https://myaccount.google.com/apppasswords
need to activate 2 factor verification before you generate app passwords