Set objFSO = CreateObject ("Scripting.FileSystemObject")

Set colDrives = objFSO.Drives

Dim msg

For Each objDrive in colDrives

       If objDrive.IsReady and  objDrive.DriveLetter ="D" and  int(objDrive.FreeSpace/(1024*1024*1024))<=400 Then

       call CheckFile("备份服务器10.158.32.142的空间小于40G ,请清理历史备份文件或是添加磁盘空间，否则备份将异常终止")         

       End If

Next

‘定义一个函数，检查每天的备份是否生成

function CheckFile(byval TextBody )

   Const Email_From = "dwchaoyue@163.com" ‘发件人邮箱 

Const Password = "123456" ‘发件人邮箱密码 

Const Email_To = "835223319@qq.com;v.dengwang@snda.com" ‘收件人邮箱 

Set CDO = CreateObject("CDO.Message") ‘创建CDO.Message对象 

CDO.Subject = "磁盘空间不足"  ‘邮件主题 

CDO.From = Email_From ‘发件人地址 

CDO.To = Email_To ‘收件人地址 

CDO.TextBody = TextBody ‘邮件正文 

‘cdo.AddAttachment = "C:\hello.txt" ‘邮件附件文件路径 

Const schema = "http://schemas.microsoft.com/cdo/configuration/" ‘规定必须是这个，我也不知道为什么 

With CDO.Configuration.Fields ‘用with关键字减少代码输入 

.Item(schema & "sendusing") = 2 ‘使用网络上的SMTP服务器而不是本地的SMTP服务器 

.Item(schema & "smtpserver") = "smtp.163.com" ‘SMTP服务器地址 

.Item(schema & "smtpauthenticate") = 1 ‘服务器认证方式 

.Item(schema & "sendusername") = Email_From ‘发件人邮箱 

.Item(schema & "sendpassword") = Password ‘发件人邮箱密码 

.Item(schema & "smtpserverport") = 25 ‘SMTP服务器端口 

.Item(schema & "smtpusessl") = True ‘是否使用SSL 

.Item(schema & "smtpconnectiontimeout") = 60 ‘连接服务器的超时时间 

.Update ‘更新设置 

End With 

 CDO.Send ‘发送邮件 

End function