My hotmail account has recently started sending error messages saying my account is unavailable, even when the email has been received in the hotmail account.

Question

My hotmail account has recently started sending error messages saying my account is unavailable, even when the email has been received in the hotmail account.

Anonymous

-----Original Message-----
From: @outlook.com <@outlook.com>
Sent: Tuesday, September 3, 2024 6:15 AM
To: [HIDDEN]
Subject: Undeliverable: FW: Minutest - September 2024

CY4PEPF0000E9D1.mail.protection.outlook.com rejected your message to the following email addresses:

ㅤ@hotmail.com (ㅤ@hotmail.com)<mailto:%******@hotmail.com>

A communication failure occurred during the delivery of this message. Please try to resend the message later. If the problem continues, contact your email admin.

CY4PEPF0000E9D1.mail.protection.outlook.com gave this error:

Requested action not taken: mailbox unavailable (S2017062302). [CY4PEPF0000E9D1.namprd03.prod.outlook.com 2024-09-02T20:15:07.712Z 08DCC7C75C04DCAE]

Diagnostic information for administrators:

Generating server: VI0P190MB2209.EURP190.PROD.OUTLOOK.COM

ㅤ@hotmail.com

CY4PEPF0000E9D1.mail.protection.outlook.com

Remote server returned '550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). [CY4PEPF0000E9D1.namprd03.prod.outlook.com 2024-09-02T20:15:07.712Z 08DCC7C75C04DCAE]'

Original message headers:

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Received: from VE1P190MB0928.EURP190.PROD.OUTLOOK.COM (2603:10a6:800:1a6::8) by VI0P190MB2209.EURP190.PROD.OUTLOOK.COM (2603:10a6:800:256::7) with Microsoft SMTP Server (version=TLS1_2,

cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7918.23; Mon, 2 Sep

2024 20:15:05 +0000

Received: from VE1P190MB0928.EURP190.PROD.OUTLOOK.COM ([::1]) by VE1P190MB0928.EURP190.PROD.OUTLOOK.COM ([fe80::7c44:d5bf:36b5:9f62%6]) with Microsoft SMTP Server id 15.20.7918.024; Mon, 2 Sep 2024 20:15:05 +0000

From: Lindsay Sheather <[HIDDEN]>

To: =?ks_c_5601-1987?B?pNRAaG90bWFpbC5jb20=?= <??hotmail.com>

Subject: FW: Minutest - September 2024

Thread-Topic: Minutest - September 2024

Thread-Index: Adr9LPrVwx8DsOSHSHu02/A4yBFMpgAR6X6AAAALB9Q=

Date: Mon, 2 Sep 2024 20:15:05 +0000

Message-ID: <******@VE1P190MB0928.EURP190.PROD.OUTLOOK.COM>

References: <******@SY7P282MB4376.AUSP282.PROD.OUTLOOK.COM>

<******@SY7P282MB4376.AUSP282.PROD.OUTLOOK.COM>

In-Reply-To: <******@SY7P282MB4376.AUSP282.PROD.OUTLOOK.COM>

X-MS-Has-Attach: yes

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auto-submitted: auto-generated

x-ms-exchange-generated-message-source: Mailbox Rules Agent

x-ms-publictraffictype: Email

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Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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1 answer

Answer 1

Hello Lindsay Sheather ，

Welcome to the Microsoft Community！I am morning, I am honored to answer your question!

According to the content you provide, E-mail content, sent to the * * * @ hotmail.com email CY4PEPF0000E9D1.mail.protection.outlook.com rejected, reason is that email is unavailable.

I know that the person who sends an email to your account receives a postmaster delivery failure message, but you actually received the email, and I understand your confusion. Rest assured that I will assist you with this problem, you can try the following suggestions:

What I need to confirm with you is whether there has been any unusual activity on your account recently or whether it was hacked some time ago.

You can check the latest activity log, https://account.microsoft.com/privacy/activity-history, to see if there are any does not belong to your login information. Prevent hackers from always logging into your email.

If the login information is abnormal, please change your password immediately, which can effectively protect the account.

And click Sign out of all locations on the Account Security screen. All devices you log into this account will be turned off after 24 hours. This prevents hackers from continuing to connect to your email.

Then, use an antivirus program to fully scan your computer.

Please check your account Settings for any Settings that do not belong to you, and if so, be sure to change or delete them.

First of all, please login web page version of outlook, https://outlook.live.com/, and then check the following :

Rules: Use the gear icon in the upper right corner to select [Settings]-- · Select [Mail] and then click [Rules] to check if there are any Settings in the rules that are not yours. If so, delete them.
Forward Settings: [Settings]-- · Select [Mail] and click [Forward]
Automatic reply Settings: [Settings]-- · Select [Email], then click [Auto Reply]
You can also check your storage space: click the Settings icon, select "General", "Storage" in turn, to check whether there is insufficient space.

You can examine the question from the above two angles first, and I hope my answer will be helpful to you. Please feel free to let me know if you have any further updates, thanks.

Best Regards ,

Morning | Microsoft Technical Support Community

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My hotmail account has recently started sending error messages saying my account is unavailable, even when the email has been received in the hotmail account.

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