Below is a second bounce generated when the original email was sent from jack.jr@jardineshasday.com to jackhasday@mac.com, and then iCloud attempted to forward it (with “Delete after forwarding” enabled) to inbox@jackhasday.com. The forward was also rejected by my Cloudron server:
This is a system-generated message to inform you that your email could not
be delivered to one or more recipients. Details of the email and the error are as follows:
<inbox@jackhasday.com>: host mail.estudios507.com[199.241.136.89] said: 550
Mail from domain 'jardineshasday.com' is not allowed from your host (in
reply to MAIL FROM command)
Reporting-MTA: dns; outbound.ms.icloud.com
X-Postfix-Queue-ID: 325F21800435
X-Postfix-Sender: rfc822; jack.jr@jardineshasday.com
Arrival-Date: Wed, 21 Jan 2026 19:15:47 +0000 (UTC)
Final-Recipient: rfc822; *****@**************
Original-Recipient: rfc822;jackhasday@mac.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; mail.estudios507.com
Diagnostic-Code: smtp; 550 Mail from domain 'jardineshasday.com' is not allowed
from your host
Return-Path: <jack.jr@jardineshasday.com>
Received: from outbound.ms.icloud.com (unknown [127.0.0.2])
by p00-icloudmta-asmtp-us-west-3a-20-percent-1 (Postfix) with ESMTPS id 325F21800435
for <inbox@jackhasday.com>; Wed, 21 Jan 2026 19:15:47 +0000 (UTC)
ARC-Seal: i=1; a=rsa-sha256; cv=none; d=icloud.com; s=arc-0513; b=NwePU52YPB5g8CvhYlOZRV4RuLpPepXFXChfOBAHfjuskdDlU7U+gtyKSgqfFoQxW0ie00VK0/LMtdogYq7qu2Xikrz5yRwPbTSRLdT41WnsO0RVwNMfYvqJRCdvy66EeRPiWHwLg0Eu9trOA0SHcmFrJQ18Fbbozx/4iNznCHfypwVydXjj7LnsbZpB0y8iZ6xF5eWrs2JMnkiEijmRJksQ/4oBhYFMgM48tIzxWBmlmP/MECl/cUuiq+jQGETcZuAZE9LPx6iqHzxY8u199Uz8uIX9Z4LeC62IsXFpl+A0lAzcbvFNg/7WCjynmO3dR86Lu0c2o3VdyxM24b5G5g==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=arc-0513; h=from:to:subject:message-id:date:mime-version:content-type:dkim-signature; bh=B8Rq7JfCpjn8orX4LKFaNcIdBzBmhpd4dlBrVjqXnPM=; b=h9YkNs4Phgpq/dvngLz8yMSPy5QLbqlcfr4pe7FTr11NBlWMbAH58s5/8uWsziQ3suyxOk6SjDI0/IcflrJVjJUQwSl1cABJ7ZIeDlUQIZGHH2nzhQF3Wns/D99TbuNhBDovINzTqgrgEbzv3GEwWFWu/CqIQl1r8PjqH3Y1lcebL7Pgnbw48XlvliW8nWUf2qHmIzEEncNAQVeVJ/Z2FLP3z3rxczRLaisE9lgVJwE7MhWUYpMA5fIsu2L9XJx0Y1hqOwp2lBW3lerjLjXiKPXmTnh/Hak2/9dSR8jDfm8RZKBO1hsmwn7iWSib/awzvbXWbbPeZgCOQBMyOqMIBg==
ARC-Authentication-Results: i=1; arc.icloud.com; arc=none; dmarc=pass header.from=jardineshasday.com; dkim=pass header.d=jardineshasday.com header.i=@jardineshasday.com header.b=q+vfqcQe; spf=pass (spf.icloud.com: domain of jack.jr@jardineshasday.com designates 199.241.136.89 as permitted sender) smtp.mailfrom=jack.jr@jardineshasday.com
Received: from unknown (unknown [10.52.196.11])
by p00-icloudmta-asmtp-us-west-3a-20-percent-1 (Postfix) with SMTP id AB65F1800411
for <inbox@jackhasday.com>; Wed, 21 Jan 2026 19:15:46 +0000 (UTC)
Received: from p00-icloudmta-smtpin-us-west-1a-60-percent-39 by p102-mailgateway-smtp-677754878b-9bv27 (mailgateway 2544B77)
with SMTP id 0a4cb2a5-6cf4-4a9c-9d3f-93212efa68da
for <jackhasday@mac.com>; Wed, 21 Jan 2026 19:15:46 GMT
X-Apple-Action: FORWARD_DISCARD/inbox@jackhasday.com
Original-Recipient: rfc822;jackhasday@mac.com
x-apple-request-uuid: 0a4cb2a5-6cf4-4a9c-9d3f-93212efa68da
Received: from mail.estudios507.com (mail.estudios507.com [199.241.136.89])
by p00-icloudmta-smtpin-us-west-1a-60-percent-39 (Postfix) with ESMTPS id 19E7CC001CD
for <jackhasday@mac.com>; Wed, 21 Jan 2026 19:15:38 +0000 (UTC)
X-ICL-Info: GAtbRVYDBVFFSlVFSgQEUFUKE0oWX1gHVQoPB0UBD1tbS1JGVgEFVFtBX1cdVAsIFBoNWRJCdggUCwIeFlVFChQKAhYBHlUNGFkAE0VaVxAREAgSC1hXEREYH1kbX1tCBxpbHRlTXQoUCgIWAXBbAxZXBRgVEF4HGRZbGhlZWkwQChICHFlZEUBJUVkbX1tCBQ0UShVRXw5bHBUDDVRfDQZMVkBWU1kPVR0CShJRRAYcFwMEEFFFBhQASBQXXRYPHB1bSzwDdVNDTyVEVXMBIEBUUjNABBtaRkhXWkoFAlRFPyRFTgJyJjUTBwUcWVgHBhEHBBxRT0wWFgtJ
X-ICL-Score: 2.33303322422
Authentication-Results: bimi.icloud.com; bimi=none
X-ARC-Info: policy=fail; arc=none; r1=-20; r2=0
Authentication-Results: arc.icloud.com; arc=none
Authentication-Results: dmarc.icloud.com; dmarc=pass header.from=jardineshasday.com
X-DMARC-Policy: v=DMARC1; p=reject; pct=100
X-DMARC-Info: pass=pass; dmarc-policy=reject; s=r1; d=r1; pdomain=jardineshasday.com
Authentication-Results: dkim-verifier.icloud.com; dkim=pass header.d=jardineshasday.com header.i=@jardineshasday.com header.b=q+vfqcQe
Received-SPF: pass (spf.icloud.com: domain of jack.jr@jardineshasday.com designates 199.241.136.89 as permitted sender) receiver=spf.icloud.com; client-ip=199.241.136.89; helo=mail.estudios507.com; envelope-from=jack.jr@jardineshasday.com
Authentication-Results: spf.icloud.com; spf=pass (spf.icloud.com: domain of jack.jr@jardineshasday.com designates 199.241.136.89 as permitted sender) smtp.mailfrom=jack.jr@jardineshasday.com
Received: (Haraka outbound); Wed, 21 Jan 2026 19:15:36 +0000
Authentication-Results: mail.estudios507.com;
auth=pass (plain)
From: Jardines Hasday <jack.jr@jardineshasday.com>
Content-Type: multipart/alternative;
boundary="Apple-Mail=_B1D6017D-890E-40E0-A1CF-155CD24607C1"
Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.400.12\))
Subject: Test desde Jardines Hasday
Message-Id: <D3C166C3-C7B5-4D84-8311-25460FB262DD@jardineshasday.com>
Date: Wed, 21 Jan 2026 14:15:24 -0500
To: Jack Hasday <jackhasday@mac.com>
X-Mailer: Apple Mail (2.3864.400.12)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple;
d=jardineshasday.com; s=cloudron-6667f4;
h=from:subject:date:message-id:to:mime-version;
bh=VqtpnOtGGQZjIGx33IRyZ889SaJP52QBrZ8qHxdfrqM=;
b=q+vfqcQeonnBbDbB3JYYiX6ZHEDt36UK0bM+Nrh6ohSRynlyr6F7AHRdrD4XF173Sm1ys7/wGi
oMIiO6vJaQUwC+H1wP/oMqohbM7Nkrs3je3G5E1IoGkVQV2QqwjYCMsh3rmR7Z7zgmz+RB2y/dhX
vCwPVxMDamJtSXJiDI11k=
X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDE2MSBTYWx0ZWRfXwrFyr1P6L/bI
d/3yYo636bb7U/hxwbs9LQDvNpWvOcaoFmBAxvUW9eil0Riuy4bcDuQhLzZA+Lj6YSMIQ+YgekG
9VtZyHH3WP/BOtzTRpr8pTgsQ8OCP6t0Vj49ENLl6TZomxskE7EpjB5nVpxUOcRLNFdLgObSrFL
p6fqEILdB+39T/tkkfnDN3ECUg889ACDqsfOB3yOz020C2cL4AfLz9WRtDX+QrjQCyaYoaoe+vA
LX2Tq54mzkQgh+25F/NVhqKHivx8hsP+Ysz0o9wTMVaiVczmRXniPkeJZxqdBqpy+C6lVuzBtfr
lavbCA3mCidpfbbiN0y
X-Proofpoint-GUID: Mkyn_SIOD2w_wW6PNYAEEYT9qKP1vIEc
X-Proofpoint-ORIG-GUID: Mkyn_SIOD2w_wW6PNYAEEYT9qKP1vIEc
X-JNJ: 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
X-Authority-Info-Out: v=2.4 cv=SoudKfO0 c=1 sm=1 tr=0 ts=697125e3
cx=c_apl:c_apl_out:c_pps a=Ng/DTdlv9dYXrlarcUhKoA==:117
a=ry2iD/qIpUaetSALygwXCg==:17 a=vUbySO9Y5rIA:10 a=9QMxhTt3bwwA:10
a=VkNPw1HP01LnGYTKEx00:22 a=qTKaMy-KAAAA:8 a=zZ0dxMlp3nlOnM4htLIA:9
a=QEXdDO2ut3YA:10 a=e5bFYvIR1mMA:10 a=HsQN7Jx1AAAA:8 a=-toS3ZsGfbf9Qjwom14A:9
a=kb5bqZQ7yfcur1iC:21 a=_W_S_7VecoQA:10 a=lqcHg5cX4UMA:10 a=CjuIK1q_8ugA:10
a=KQqxNPgzF0kA:10 a=VEiTNn8F7TgA:10 a=ma5am7SHPxQHyC16eOKb:22
a=1EEwl0tWB0_S9o04m0hT:22
X-Proofpoint-Virus-Version:
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0
malwarescore=0 phishscore=0 spamscore=0 suspectscore=0 adultscore=0
mlxscore=0 clxscore=1030 mlxlogscore=414 classifier=spam authscore=0 adjust=0
reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2601210161
X-JNJ: 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