require 'win32ole'
 
def print_size
  namespace = WIN32OLE.connect('Outlook.Application').GetNameSpace('MAPI')
 
  # "あなたのアカウント名" ってのは例えば、"xxxx@gmail.com"
  # Outlook開いたら左のペインにそういう文言あるでそ
  target_folder = namespace.Folders["あなたのアカウント名"].Folders["受信トレイ"]
 
  target_folder.Items.each {|mail|
    # Rubyist MagagineにGC.statしないとダメなときあるとか書いてたんで試してみては
    # 250件ないんで検証はここまでしかできないわ orz
    #
    # http://m...content-available-to-author-only...t.net/?0007-Win32OLE
    GC.start
    p mail.size
  }
 
end
 
print_size
 

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