Email SPF Hard Fail

Email SPF Hard Fail

Hi, can you help me to understand why email rejected? Paste error:

This is the mail system at host pdx1-sub0-mail-mx206.dreamhost.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

If you are a current customer of DreamHost, please contact our
technical support team here

https://panel.dreamhost.com/support

If you are not a customer please use our contact form at.

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If you do so, please include this email in your support ticket. You can
delete your own text from the attached returned message.

DreamHost Email Support

<studio*****srl@gmail.com> (expanded from <info@studio*****.it>): host
gmail-smtp-in.l.google.com[142.250.107.26] said: 550-5.7.26 The MAIL FROM
domain [zoho.com] has an SPF record with a hard fail 550-5.7.26 policy
(-all) but it fails to pass SPF checks with the ip: 550-5.7.26
[64.90.62.164]. To best protect our users from spam and phishing,
550-5.7.26 the message has been blocked. For instructions on setting up
550-5.7.26 authentication, go to 550 5.7.26
https://support.google.com/mail/answer/81126#authentication
d9443c01a7336-21c2d3e9098si148141725ad.345 - gsmtp (in reply to end of DATA
command)
Reporting-MTA: dns; pdx1-sub0-mail-mx206.dreamhost.com
X-Postfix-Queue-ID: 4YdGqj2bK0z87yW
X-Postfix-Sender: rfc822; mago######@zoho.com
Arrival-Date: Wed, 22 Jan 2025 00:06:25 -0800 (PST)

Final-Recipient: rfc822; studio*****srl@gmail.com
Original-Recipient: rfc822;info@studio*****.it
Action: failed
Status: 5.7.26
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 The MAIL FROM domain [zoho.com] has an SPF
record with a hard fail 550-5.7.26 policy (-all) but it fails to pass SPF
checks with the ip: 550-5.7.26 [64.90.62.164]. To best protect our users
from spam and phishing, 550-5.7.26 the message has been blocked. For
instructions on setting up 550-5.7.26 authentication, go to 550 5.7.26
https://support.google.com/mail/answer/81126#authentication
d9443c01a7336-21c2d3e9098si148141725ad.345 - gsmtp

Return-Path: <mago######@zoho.com>
Received: from postfix-inbound-v2-0.inbound.mailchannels.net (inbound-egress-7.mailchannels.net [23.83.220.5])
    (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
     key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256)
    (No client certificate requested)
    by pdx1-sub0-mail-mx206.dreamhost.com (Postfix) with ESMTPS id 4YdGqj2bK0z87yW
    for <info@studio*****.it>; Wed, 22 Jan 2025 00:06:25 -0800 (PST)
ARC-Seal: i=2; s=arc-2022; d=mailchannels.net; t=1737533184; a=rsa-sha256;
    cv=pass;
    b=A0uQcGImGNr02gxAEnLrGML5R35TnBaMgwmsEEnAwOLiIQBeOGnBK6PgJUUz6vODKkXkBK
    6G70BOW3bVXeTLyzVAuX2CjAyIdYyUWiqNMQUHOg4Ba/XpJRNTfdDFwiBbZXihkio4F4nf
    er+ZOOJV1XUzG2iggJmgOMtT9E6blN7D7u/3YoFBEQvnlJmqm7QUp+BNc/N60VpI15aRtX
    cPCCPzuWPtsKjVE1RsBzLUQEtyo1FAgWzBAdx8Y0CcnWr8H25vp9R3tOfjxvMmtZAWv6fc
    /flQiMmq4wd2MAi4N2pZrn22FJoHl5gZYqAfxLY0QR6sOV2nHAi1JFC2e+H96Q==
ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed;
d=mailchannels.net;
    s=arc-2022; t=1737533184;
    h=from:from:reply-to:reply-to:subject:subject:date:date:
     message-id:message-id:to:to:cc:mime-version:mime-version:
     content-type:content-type; bh=0sq9HWkG+klcA3Ba8Y8benClqVnfdHiRVdcb4hJINdc=;
    b=F2OpIeAxIPLXFj/4J7tW5kWMy3ttBlpQzlBNzIWy66jB1i8uoKuzZ8oqE9lCvu5reufCHh
    jbU2YPya+eZ1q5DH0lDXgDmFzHEcAPFbrXrCCcxqYwMFpY5eB+7TCQKg0Ug/kZ1qz5btL0
    XckJF2wiL0b+A7mTBEpZCmseCJflMx/IPvThaEzO3lO+JGaPLkFZS7Qsth6bQ/Rsn2cyRY
    G9xWi2pJtQX7u5w8MQj2m2yvjlEu4vJil1P36fNXPgVTrkBK67GCrGghcYVf88ohdS3adI
    QEu4NAAYaSur+X+uIPZ+3k+Wojee8NzAutTKKCbghrotw1e4YXDwijg51oU8Jw==
ARC-Authentication-Results: i=2;
    inbound-rspamd-7d6dbf97d6-dsmc5;
    arc=pass ("zohomail.com:s=zohoarc:i=1")
X-Message-ID: LcjVxT1G9j3ZjyjS1g89tgTb
Received: from sender4-pp-o91.zoho.com (sender4-pp-o91.zoho.com
[136.143.188.91])
    (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384)
    by 100.116.68.241 (trex/6.10.3);
    Wed, 22 Jan 2025 08:06:24 +0000
Authentication-Results: inbound.mailchannels.net;
spf=pass smtp.mailfrom=mago######@zoho.com;
dkim=none;
dmarc=none;
arc=pass (i=1)
Received-SPF: pass (dmarc-service-5d68fff777-xvrf9: domain of zoho.com
designates 136.143.188.91 as permitted sender) client-ip=136.143.188.91;
envelope-from=mago######@zoho.com; helo=sender4-pp-o91.zoho.com;
ARC-Seal: i=1; a=rsa-sha256; t=1737533182; cv=none;
    d=zohomail.com; s=zohoarc;
    b=B1KzjcNM4xoSqu/29mmguC76UvsYKLe/m4wMOfKb3uLKDo3SccsDBdjGyer+a2az43XMmlRY0/60XawtcAogydD625QqSEVR+1s7F9Ie397ABDZCJAFawystcb6m6FAeO0d4e/9Wsi0kbqXJ49detJDNEjnycX64too9MqCELIY=
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc;
    t=1737533182; h=Content-Type:Date:Date:From:From:MIME-Version:Message-ID:Reply-To:Reply-To:Subject:Subject:To:To:Message-Id:Cc;
    bh=0sq9HWkG+klcA3Ba8Y8benClqVnfdHiRVdcb4hJINdc=;
    b=Z6qRyMYh/rCwJ73AiEVWZxSE67uZtQvsyBjpxh4ZwrTmpnZcrhxrnqQb6ofKhRQXLS+QvBQIfFOhcnZdeido9WYywMe6CDIyHE6xDSZ1E8OAROQVVdMW+sxDR0L+odzSCas6omzc2t1zzCN9/9c0Olp91CwFGJS7QsWC7hgtHPE=
ARC-Authentication-Results: i=1; mx.zohomail.com;
    spf=pass smtp.mailfrom=mago######@zoho.com;
    dmarc=pass header.from=<######traficante@grupposimm.it>
Received: from mail.zoho.com by mx.zohomail.com
    with SMTP id 1737533176963744.1088741066221; Wed, 22 Jan 2025 00:06:16 -0800 (PST)
Received: from [2.37.199.71] by mail.zoho.com
    with HTTP;Wed, 22 Jan 2025 00:06:16 -0800 (PST)
Date: Wed, 22 Jan 2025 09:06:16 +0100
From: "Nicola Traficante - FORNITURE SIM S.r.l."
<######traficante@grupposimm.it>
Reply-To: ######traficante@grupposimm.it
To: "Studio Vasca" <info@studio*****.it>
Message-Id: <1948d0c3c64.376b828860067.422485103807158298@grupposimm.it>
Subject: test z for
MIME-Version: 1.0
Content-Type: multipart/alternative;
    boundary="----=_Part_159133_1099312022.1737533176932"
Importance: Medium
Disposition-Notification-To: "Nicola Traficante - FORNITURE SIM S.r.l." <######traficante@grupposimm.it>
User-Agent: Zoho Mail
X-Mailer: Zoho Mail
Feedback-ID: rr0801122804714ebf950322a66e68519700000af94be2c1f7fc1070bced8ce697e8b0ffed6c231cc22cf3c0a2:zu080112258e6541e7d8ed9c0074301b1b00004a503786a67a995bcaed0e11d42eb8b9c5e540fb0b94fc:rf080112269ca76cdb9877363c11dcba000000d20207f42d899a283aa695d1a8b89217b056b1edbb491128:ZohoMail
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