Follow the mentioned steps to successfully connect your inbox.
Go to Yahoo mail.
Click Account Info.
Go to Security.
Generate App password.
Use App generated password as a password while connecting your inbox.
SMTP Configuration:
SMTP Address: smtp.mail.yahoo.com
SMTP Port: 465
Password: App-generated password
IMAP Configuration:
SMTP Address: imap.mail.yahoo.com
SMTP Port: 993
Password: App-generated password
Enable: TLS
