Create/use Yahoo App password
From 20.10.2020 you need a Yahoo App password for GcMail Mail and other e-mail programs
You can already generate an app password now, which you have to enter in GcMail in the settings/email account under login/password.
Please proceed as follows:
Log in to your Yahoo account, then click on this link:
You will reach the following page:
Click on the link “Log in and go to the Account Security page”. This will take you directly to the right place and you will not have to search for a long time.
At the very bottom of the account web page you will find the “Manage App Passwords” function. Click on it and a small window will open.
Click Select App and click Other App below.
Enter your password that you already use in GcMail for mail retrieval and click on the Create button.
A new window will open with a new password in blue color.
Copy the password (blue) and paste the password into GcMail Mail under the account settings for Yahoo and save your change in the program