FileAttachment.Text := '' ;
  MailBody.Lines.Clear ;
  MailCC.Text := '' ;
  MailFrom.Text := '' ;
  MailPriority.ItemIndex := 0 ;
  MailSubject.Text := '' ;
  RecipList.Lines.Clear ;
  PrefAttemptsList.Text := '' ;
  PrefCARootBundle.Text := '' ;
  PrefClientCertFile.Text := '' ;
  PrefDnsServer.Text := '' ;
  PrefHeloHost.Text := '' ;
  PrefMailQuFolder.Text := '' ;
  PrefSendMethod.ItemIndex := 0 ;
  PrefSslRevoke.Checked := false ;
  PrefVerifyCertMode.ItemIndex := 0 ;
  PrefEmailAuthPass1.Text := '' ;
  PrefEmailAuthPass2.Text := '' ;
  PrefEmailAuthType1.ItemIndex := 0 ;
  PrefEmailAuthType2.ItemIndex := 0 ;
  PrefEmailAuthUser1.Text := '' ;
  PrefEmailAuthUser2.Text := '' ;
  PrefEmailPort1.Text := '' ;
  PrefEmailPort2.Text := '' ;
  PrefEmailSecure1.ItemIndex := 0 ;
  PrefEmailSecure2.ItemIndex := 0 ;
  PrefEmailSecurity1.ItemIndex := 0 ;
  PrefEmailSecurity2.ItemIndex := 0 ;
  PrefEmailSmtp1.Text := '' ;
  PrefEmailSmtp2.Text := '' ;
  PrefEmailSslErr1.Checked := false ;
  PrefEmailSslErr2.Checked := false ;
  DirLogs.Text := '' ;
  PrefClientId.Text := '' ;
  PrefRefrToken.Text := '' ;
  PrefRestType.ItemIndex := 0 ;
  PrefClientSecret.Text := '' ;
  PrefUserAuth.Text := '' ;
  PrefExtBrow.Checked := false ;