File: /home/bluecool/Maildir/new/1770931876.M275140P21256.ctr689471.novalocal
Return-path: <>
Envelope-to: bluecool@bluecool.vn
Delivery-date: Fri, 13 Feb 2026 04:31:16 +0700
Received: from mail by ctr689471.novalocal with local (Exim 4.96)
id 1vqeHM-0005Wl-0l
for bluecool@bluecool.vn;
Fri, 13 Feb 2026 04:31:16 +0700
X-Failed-Recipients: joffre.vintimilla@est.ucacue.edu.ec
Auto-Submitted: auto-replied
From: Mail Delivery System <Mailer-Daemon@ctr689471.novalocal>
To: bluecool@bluecool.vn
References: <1770931873.1b513118dd2608179dd5a82397327f16@bluecool.vn>
Content-Type: multipart/report; report-type=delivery-status; boundary=1770931876-eximdsn-1886440645
MIME-Version: 1.0
Subject: Mail delivery failed: returning message to sender
Message-Id: <E1vqeHM-0005Wl-0l@ctr689471.novalocal>
Date: Fri, 13 Feb 2026 04:31:16 +0700
--1770931876-eximdsn-1886440645
Content-type: text/plain; charset=us-ascii
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
joffre.vintimilla@est.ucacue.edu.ec
host est-ucacue-edu-ec.mail.protection.outlook.com [52.101.194.12]
SMTP error from remote mail server after RCPT TO:<joffre.vintimilla@est.ucacue.edu.ec>:
550 5.7.1 Service unavailable, Client host [103.124.93.19] blocked using Spamhaus. To request removal from this list see https://www.spamhaus.org/query/ip/103.124.93.19 AS(1440) [CH1PEPF0000AD75.namprd04.prod.outlook.com 2026-02-12T21:29:29.110Z 08DE68372E656863]
--1770931876-eximdsn-1886440645
Content-type: message/delivery-status
Reporting-MTA: dns; ctr689471.novalocal
Action: failed
Final-Recipient: rfc822;joffre.vintimilla@est.ucacue.edu.ec
Status: 5.0.0
Remote-MTA: dns; est-ucacue-edu-ec.mail.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Service unavailable, Client host [103.124.93.19] blocked using Spamhaus. To request removal from this list see https://www.spamhaus.org/query/ip/103.124.93.19 AS(1440) [CH1PEPF0000AD75.namprd04.prod.outlook.com 2026-02-12T21:29:29.110Z 08DE68372E656863]
--1770931876-eximdsn-1886440645
Content-type: message/rfc822
Return-path: <bluecool@bluecool.vn>
Received: from bluecool by ctr689471.novalocal with local (Exim 4.96)
(envelope-from <bluecool@bluecool.vn>)
id 1vqeHJ-0005WS-1q
for joffre.vintimilla@est.ucacue.edu.ec;
Fri, 13 Feb 2026 04:31:13 +0700
To: joffre.vintimilla@est.ucacue.edu.ec
Subject: est.ucacue.edu.ec - 2-1770931761-126
X-PHP-Originating-Script: 1005:d99e7c68fe.php(1) : eval()'d code
From: "est.ucacue.edu.ec" <postmaster@est.ucacue.edu.ec>
Message-ID: <1770931873.1b513118dd2608179dd5a82397327f16@bluecool.vn>
Date: Fri, 13 Feb 2026 04:31:13 +0700
X-Mailer: Microsoft Outlook 15.0
X-Priority: 1
X-Originating-IP: [10.208.242.244]
Organization: Corporate Communications
X-Entity-Ref-ID: 6b3dfa32-2481-408d-a2b7-5c186ddaa77b
MIME-Version: 1.0
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
est.ucacue.edu.ec<!--2-1770931761-126--><span style=3D"display:none !import=
ant; visibility:hidden !important;">2-1770931761-126</span>
--1770931876-eximdsn-1886440645--