[オプション] -> [詳細] -> [設定エディタ] から mail.identity.default.suppress_signature_separator の値を true にする。（初期値は false )
This entry was posted on 月曜日, 7月 22nd, 2013 at 10:13 AM and is filed under firefox, PC, Windows. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or