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<markos.liapis at gmail.com>: host
    gmail-smtp-in.l.google.com[2a00:1450:400c:c0c::1b] said: 550-5.7.1
    [2a01:4f8:151:9150::2] Our system has detected that this message does
    550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and
    550-5.7.1 authentication. Please review 550-5.7.1
    https://support.google.com/mail/?p=IPv6AuthError for more information 550
    5.7.1 . e1si14953931wrw.357 - gsmtp (in reply to end of DATA command)
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From: "=?utf-8?B?5aea6Iq5?=" <pkg-llvm-team at lists.alioth.debian.org>
Subject: 2027450311841308837Lld1IKPiCu2Jj娱乐城真人博(彩平台！驻*恻嶺18⒏綵-金~找违…心ds6969002获Q860245058清廉604952-C 0 M                                   
Date: Wed, 26 Dec 2018 00:51:16 +0800
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URL: <http://alioth-lists.debian.net/pipermail/pkg-llvm-team/attachments/20181225/5b5b8733/attachment.mht>