I get the following error when I try to configure my email settings from the console Tools>Options>Notification Settings.
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基礎になる接続が閉じられました。送信時に、予期しないエラーが発生しました。
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translation
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The underlying connection has been closed. An unexpected error occurred during transmission.
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I thought it might be a TLS version issue, but as far as I can see in the Windows settings, TLS 1.2 is enabled.
What are the possible causes?