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<cf.ui.3951@gmail.com>: host gmail-smtp-in.l.google.com[66.102.1.27] said:
552-5.7.0 This message was blocked because its content presents a potential
552-5.7.0 security issue. Please visit 552-5.7.0
https://support.google.com/mail/?p=BlockedMessage to review our 552 5.7.0
message content and attachment content guidelines. wn4si94817055wjb.27 -
gsmtp (in reply to end of DATA command)
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message/delivery-status
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Reporting-MTA: dns; mail3.protonmail.ch
X-Postfix-Queue-ID: 721B51A4
X-Postfix-Sender: rfc822; bakhshi@protonmail.com
Arrival-Date: Sun, 8 Jan 2017 15:10:03 -0500 (EST)

Final-Recipient: rfc822; cf.ui.3951@gmail.com
Original-Recipient: rfc822;cf.ui.3951@gmail.com
Action: failed
Status: 5.7.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 552-5.7.0 This message was blocked because its content
presents a potential 552-5.7.0 security issue. Please visit 552-5.7.0
https://support.google.com/mail/?p=BlockedMessage to review our 552 5.7.0
message content and attachment content guidelines. wn4si94817055wjb.27 -
gsmtp
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text/rfc822-headers
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Return-Path: <bakhshi@protonmail.com>
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Date: Sun, 08 Jan 2017 15:10:00 -0500
To: Computer Fundamental <cf.ui.3951@gmail.com>
From: =?UTF-8?B?2YXYrdmF2K/ZhdmH2K/bjCDYqNiu2LTbjA==?= <bakhshi@protonmail.com>
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Subject: =?UTF-8?B?2YHYp9uM2YQg2YfYp9uMINin2LHYs9in2YQg2YbYtNiv2Ydf2KjYrti024w=?=
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DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,URIBL_BLOCKED
autolearn=ham autolearn_force=no version=3.4.1
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