[Fiware-challenges] Returned mail: see transcript for details

[Mail Delivery Subsystem]

The original message was received at Sat, 28 Jul 2018 11:49:48 +0300 (EEST)
from [191.101.38.25]

   ----- The following addresses had permanent fatal errors -----
<ybriuf at libvar.bg>
    (reason: 550-Mailbox unknown.  Either there is no mailbox associated with this)

   ----- Transcript of session follows -----
... while talking to localhost:
>>> STARTTLS dialogue
<<< 500 5.5.2 Syntax error
>>> DATA
<<< 550-Mailbox unknown.  Either there is no mailbox associated with this
<<< 550-name or you do not have authorization to see it.
<<< 550 5.1.1 User unknown
550 5.1.1 <ybriuf at libvar.bg>... User unknown
<<< 503 5.5.1 No recipients
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From: <fiware-challenges at lists.fi-ware.org>
Subject: I am lonely and I crave love and passion.
Date: 28 Jul 2018 21:38:44 +0600
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