The original message was received at Tue, 15 Aug 2017 01:59:39 +0900 from einstein.umin.ac.jp [192.168.14.111]

----- The following addresses had permanent fatal errors ----- "|/usr/bin/vacation root" (reason: 1) (expanded from: root)

----- Transcript of session follows ----- 554 5.3.0 unknown mailer error 1