Your 3 unreceived emails are stuck on the blog.so-net.ne.jp Server.

SYSTEM  NOTIFICATION                                                                                                                    &a mp;n bsp;   Your 3 unreceived emails are stuck on the  blog.so-net.ne.jp  server. The Server will automatically delete the emails 24 hours . This was due to a system error. Rectify below Receive Delayed Messages