[Daal_support] Returned mail: see transcript for details

[Mail Delivery Subsystem]

The original message was received at Fri, 3 Aug 2018 16:58:06 +0800
from [10.100.9.82]

   ----- The following addresses had permanent fatal errors -----
<stanley at iis.sinica.edu.tw>
    (reason: 550 5.1.1 <stanley at iis.sinica.edu.tw>... User unknown)

   ----- Transcript of session follows -----
... while talking to mx2.iis.sinica.edu.tw.:
>>> RCPT To:<stanley at iis.sinica.edu.tw>
<<< 550 5.1.1 <stanley at iis.sinica.edu.tw>... User unknown
550 5.1.1 <stanley at iis.sinica.edu.tw>... User unknown
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