If your account is Gmail and you want to send emails using Gmail web, then the account information you should fill in is:
Email
Email Password
And change the account tag to web, which means this account is suitable for web sending.
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If your Gmail account has a recovery email, you can fill it in the recovery email column. If you don’t have a recovery email, leave this column blank.
If your Gmail account is used for SMTP sending, please read this blog.