erro no envio de email com ssl

Try
 Screen.Cursor    := crHourGlass;
 IdSMTP1.Host     := Trim(DBEdit2.Text);
 IdSMTP1.Username := Trim(DBEdit3.Text);
 IdSMTP1.Password := Trim(DBEdit4.Text);
 IdSMTP1.Port     := StrToInt(Trim(DBEdit5.Text));

 //-- requer autenticacao
 if DBCheckBox6.Checked then
   IdSMTP1.AuthenticationType:= atLogin
 else
   IdSMTP1.AuthenticationType:= atNone;

 //-- conexao segura SSL
 if DBCheckBox5.Checked then
   IdSMTP1.IOHandler := IdSSLIOHandlerSocket1
 else
   IdSMTP1.IOHandler := nil;

 if NOT IdSMTP1.Connected then
 IdSMTP1.Connect(2000);

 if IdSMTP1.Connected then
   ShowMessage(''''CONECTADO> Teste de conexão realizado com sucesso!'''')
 else
   ShowMessage(''''DESCONECTADO> Tesde de conexão FALHOU!'''');
 Except
 on E:Exception do
 ShowMessage(e.Message);
 end;

 IdSMTP1.Disconnect;
 Screen.Cursor:= crDefault;

try
 Screen.Cursor := crHourGlass;
 vDoctor := DMGeral.GetDoctor(varUsuario,''''Null'''');
 with DMGeral.QGeral do begin
    Close;
    SQL.Text := ''''Select E03_SMTP, E03_EMAIL, E03_USER_SMTP, E03_PASS_SMTP, E03_PORT_SMTP, E03_NOME_SMTP, E03_AUTENTICA_SMTP, E03_SSL from GE003 Where E03_CodMed = :Medico'''';
    Parameters[0].Value := vDoctor;
    Open;
    if Eof then begin
      MessageDlg(''''Este Médico não possui e-mail cadastrado no sistema!'''',mtInformation,[mbOK],0);
      FEMail.Close;
    end;
 end;
 StatusBar1.Panels[0].Text := ''''Conectando ao Servido SMTP: ''''+DMGeral.QGeral.Fields[0].AsString;
 with IdMsgSend do
      begin
         if sendAction = acUpdate then
            lbDocumento.Caption := FMailBox.SaveDBAttach(''''SAVE'''');
         TIdAttachment.Create(MessageParts, lbDocumento.Caption);
         Body.Assign(memMessage.Lines);
         From.Name := DMGeral.QGeral.Fields[5].Value;
         From.Address := DMGeral.QGeral.Fields[1].Value;
         ReplyTo.EMailAddresses := DMGeral.QGeral.Fields[1].Value;
         Recipients.EMailAddresses := edPara.Text;
         Subject := edAssunto.Text;
         Priority := TIdMessagePriority(1);
       end;

   showmessage(DMGeral.QGeral.Fields[7].AsString);
   if DMGeral.QGeral.Fields[7].AsString = ''''TRUE'''' then
     SMTP.IOHandler := IdSSLIOHandlerSocket1
   else
     SMTP.IOHandler := nil;


   if DMGeral.QGeral.Fields[6].Value = ''''TRUE'''' then
      SMTP.AuthenticationType := atLogin
   else
      SMTP.AuthenticationType := atNone;

   SMTP.Host     := Trim(DMGeral.QGeral.Fields[0].Value);
   SMTP.Username := Trim(DMGeral.QGeral.Fields[2].Value);
   SMTP.Password := Trim(DMGeral.Decrypt(DMGeral.QGeral.Fields[3].Value,1298,5786,8956));
   SMTP.Port     := StrToInt(Trim(DMGeral.QGeral.Fields[4].Value));

   try
     ProgressBar1.Max := SMTP.ReadTimeout div 20;
     Timer1.Enabled := true;
     if NOT SMTP.Connected then
       SMTP.Connect(2000);
   except
     Timer1.Enabled:=false;
     ProgressBar1.Position:=0;
     MessageDlg(''''Não foi possível conectar ao servidor SMTP: ''''+SMTP.Host,mtInformation,[mbOK],0);
     StatusBar1.Panels[0].Text := ''''Desconectado'''';

     Close;
   end;
   try
      SMTP.Send(IdMsgSend);
   finally
      SMTP.Disconnect;;
      for I:=0 to IdMsgSend.MessageParts.Count-1 do
        if IdMsgSend.MessageParts[I] is TIdAttachment then
          DeleteFile(TIdAttachment(IdMsgSend.MessageParts[I]).StoredPathName);
   end;
finally
  Screen.Cursor := crDefault;
end;