RESTORE VERIFYONLY
FROM DISK = 'C:\SQL_Backup\Test1'
WITH FILE = 1,
LOADHISTORY

The backup set on file 1 is valid.

SELECT DISTINCT physical_device_name
FROM   msdb.dbo.backupmediafamily
ORDER BY
      physical_device_name

DECLARE @path NVARCHAR(1000),
       @msg NVARCHAR(MAX),
       @NewLine CHAR(2),
       @sql NVARCHAR(2000)

SET @NewLine = CHAR(13) + CHAR(10) 
SET @msg = ''

DECLARE DATABASES_CURSOR CURSOR 
FOR
   SELECT DISTINCT physical_device_name
   FROM   msdb.dbo.backupmediafamily
   ORDER BY
          physical_device_name

OPEN DATABASES_CURSOR

FETCH NEXT FROM DATABASES_CURSOR INTO @path

WHILE @@FETCH_STATUS = 0
BEGIN
   PRINT 'Verifying: ' + @path
   SET @sql = 'RESTORE VERIFYONLY FROM DISK = ''' + @path
       + ''' WITH FILE = 1, LOADHISTORY'
  
   EXEC sp_executesql @sql 
   IF @@ERROR <> 0
   BEGIN
       SET @msg = @msg + 'Failed to verify: ' + @path + @NewLine
   END
  
   FETCH NEXT FROM DATABASES_CURSOR INTO @path
END

CLOSE DATABASES_CURSOR
DEALLOCATE DATABASES_CURSOR      

IF @msg <> ''
BEGIN
   PRINT @msg
   -- send email
   EXECUTE msdb.dbo.sp_send_dbmail
   @recipients = 'nasiri@site.net', -- Change This 
   @copy_recipients = 'Administrator@site.net', -- Change This 
   @Subject = 'backup verification info.',
   @Body = @msg
   ,@importance = 'High'

END