I just exported (saved) my PDF file as a JPG and I can send that format without getting the error message!
Message identified as SPAM "Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)'"
Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)' Today i have received an email returned as spam. This was from an addressee who I correspond mostly, being a family member and I was sending them an important document. Both of these are Microsoft accounts (Hotmail and Outlook), both accounts are listed under my family 365 account, both using Microsoft Outlook and no other system for sending and receiving emails. Can you tell me why this is the case and how I am able to stop this in the future?
Outlook
Outlook Management
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C Scott 105 Reputation points
2023-04-08T12:10:08.0966667+00:00 I have same problem - same message. Today received rejections from all emails I sent to various recipients over the last 2 days.
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Christian Gustafson 45 Reputation points
2023-04-08T12:25:38.74+00:00 Hi Carl - I have the same issue (started late yesterday) and I’m using an Outlook.com account.
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David Solomon 60 Reputation points
2023-04-08T13:45:50.5366667+00:00 Same started happening to me sending emails that have no obvious "spam" content - Googling this shows others are experiencing this. Seems obvious this is an issue on Microsoft's side. Can we get someone at Microsoft to investigate further?
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Gordon Myers 60 Reputation points
2023-04-08T13:50:55.5066667+00:00 I'm getting the same error. Something is wrong in you spam detection softwared
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Flower1 40 Reputation points
2023-04-08T14:37:26.28+00:00 I had the same problem today (April 8), receiving two such messages for emails I had send on April 6. Both were not delivered to the respective recipients till today so the glitch must have started two days ago. The same problem has been posted elsewhere on this forum where the person shared the email message which showed that it was also initially send on April 6. Also, both my messages had nothing in there that may have looked like spam. Hope it will be addressed soon.
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Ken Wynne 15 Reputation points
2023-04-08T14:38:59.23+00:00 I'm having this issue and mail is being sent from Microsoft 365 Outlook app, using an Outloook.com account. On a different computer my wife is having the same issue, outlook.com account, using Microsoft Office 365 Outlook app. The message is not spam. Must have been a MS change somewhere late Thursday, the 6th of April.
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Ryan S 50 Reputation points
2023-04-08T15:06:41.75+00:00 I got the same behaviour as everyone in this thread. This is an O365 Family account. Issue started 2 days ago specifically Apr 6 6pm-11pm PST, unable to send outgoing emails from an iPad device. Incoming emails are OK. I sent a test email 2 days ago to my O365 Business email which was plaintext, no attachment and today Apr 8 at 1AM PST, I received the Postmaster@outlook.com Undeliverable email bounceback. Email was sent from the official Microsoft Outlook app. I sent a similar test email 2 days ago from my O365 Business account from the same MS Outlook app, and I received the message instantly. Interesting bit - while I was having this issue 2 days ago, hence I tried sending email from my laptop device through the internet browser Outlook.com, and that went through. Both devices were connected to the same home network. Another interesting bit, my O365 Business account tagged the received emails (which postmaster@outlook.com marked as undelivered, but were still sent through today - 2 days later) as coming from Unverified Sender - which is wrong because the email was sent from a legit source - me. My current findings indicate the that issue impacted O365 Family users, and potentially specific to Mobile devices. Can others share your experience?
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Brian Hovis 5 Reputation points
2023-04-08T15:40:35.2233333+00:00 Same problem and it started on Wednesday, April 5. Started getting undeliverable messages starting last night and through this morning Saturday, April 8 from emails sent all week. Some of those emails were apparently received.
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City Racer 5 Reputation points
2023-04-08T16:01:53.6833333+00:00 I’m experiencing the same issue as others have described. Some of these emails were sent from my home computer, while others were sent from my phone. It didn’t make a difference.
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D Bauer 10 Reputation points
2023-04-08T16:05:46.1533333+00:00 I had 3 different messages returned, from people who I have sent messages before with no problems. They were all different topics and all had the same spam error. "Your message wasn't delivered because the recipient's email provider rejected it. Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)'." Can someone at Microsoft fix this issue?
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NW 25 Reputation points
2023-04-08T16:36:38.53+00:00 I contacted my ISP which was a waste of time because they pointed me back to Microsoft. This is happening on all of my hotmail & outlook accounts to other hotmail and outlook accounts.
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Annette Hall 70 Reputation points
2023-04-08T16:37:49.64+00:00 I am having the same issue. The problem appears to be between the Microsoft servers PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18) and NAM02-BN1-obe.outbound.protection.outlook.com. The delivery time between these servers was 2545 minutes 36 seconds. A message that was returned as "undeliverable" was eventually delivered to the receiver.
I used the Microsoft Header Analyzer tool on the header of the message that was eventually delivered to the receiver with the following results: Received headers– 1 SN7PR10MB7002.namprd10.prod.outlook.com ([fe80::9e4a:f1d0:f42b:4c85]) SN7PR10MB7002.namprd10.prod.outlook.com ([fe80::9e4a:f1d0:f42b:4c85%5]) 4/6/2023 2:31:26 PM mapi 2 SN7PR10MB7002.namprd10.prod.outlook.com (2603:10b6:806:344::20) PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18) 4/6/2023 2:31:26 PM 0 seconds Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) 3 PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18) PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18); DCFSafetyNetReplay 4/8/2023 8:57:02 AM 2545 minutes 36 seconds MailboxResubmission 4 NAM02-BN1-obe.outbound.protection.outlook.com (mail-bn1nam02olkn2082c.outbound.protection.outlook.com. [2a01:111:f400:7eb2::82c]) mx.google.com 4/8/2023 8:57:03 AM 1 second ESMTPS 5 2002:a2e:9942:0:0:0:0:0 4/8/2023 8:57:03 AM 0 seconds SMTP Here is the original email header:Delivered-To: XXX@gmail.com Received: by 2002:a2e:9942:0:0:0:0:0 with SMTP id r2csp661023ljj; Sat, 8 Apr 2023 07:57:03 -0700 (PDT) X-Google-Smtp-Source: AKy350YEHj33ulD+VywdiOQYc30kUWVeFMJ3we8YcvJsc1VgyykWqCusz5nlRZ5467nlvLUhzxbQ X-Received: by 2002:a17:907:7679:b0:8f6:5a70:cccc with SMTP id kk25-20020a170907767900b008f65a70ccccmr2377513ejc.66.1680965823339; Sat, 08 Apr 2023 07:57:03 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1680965823; cv=pass; d=google.com; s=arc-20160816; b=y0iT184NqLwGFzz5TwePz4MEyqkDRGsgP77lUE8HDu2tEjMaaydFtzv0XdbNID24ko pH1hLfRIA5B3vFmqqkIK320Al9AZEZ+olrCtMKMVNjJdpOpu0A139ouTkfmpTSVGpV2E +amhJWpQkWQzV7zDd1N/sxo+2C+EI/YxC5cOvrGU/LrNM3Xw3R5MCyUdcc5CcFkN3r9i U2//bv6DvUL+6GivlkWKy7JNV9O5FASXqdXgUAos3TzIs0aE6Avgk8uxD6Sh6SR0zEJK 2wLK0oXsbnQJcqo9/vzE0R8JmJgNBsDrJuFtF3rwGvEurwggHukJG6v4SoMxeW9cYJkJ GBhw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:content-language:accept-language:in-reply-to :references:message-id:date:thread-index:thread-topic:subject:to :from; bh=WWtvkAvIKbCgAFeIB59rA7riz8WsqtFSTybW/eb/VHw=; b=Zm73b1ytjkzA1s85+wA2DucnMLgXg496pXGbe3S6btvFeX0LkBui6mOnqNzLARQ23P Z8behQMl1WHuRXZ1zejtF7eTwxoShY8BHgAneqkZ0VBimaSmJbuIYclYT2K9kyJAHlgR qtY8anMESWIPoW+XAN3PFG0nthWg2fdYe9GQzVdmg2tSkpoto+Wu+py9rp4DbPKl/DNs 0e/SMjk4GivxZ7BYuITcUIhznqBY0EOI8mQPRTCWa8kDdSnl30+baia54AuQ5knS4BbT ewyTjZepD0mN1EJ4eLvRgVQ8g0Nh+czEl1L4ufcc9svUOZohqlscCw6RkiGHGpzs1Opg tTwQ== ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1); spf=pass (google.com: domain of postmaster@nam02-bn1-obe.outbound.protection.outlook.com designates 2a01:111:f400:7eb2::82c as permitted sender) smtp.helo=NAM02-BN1-obe.outbound.protection.outlook.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=outlook.com Return-Path: <> Received: from NAM02-BN1-obe.outbound.protection.outlook.com (mail-bn1nam02olkn2082c.outbound.protection.outlook.com. [2a01:111:f400:7eb2::82c]) by mx.google.com with ESMTPS id n1-20020a1709062bc100b00946c26546b3si5789709ejg.402.2023.04.08.07.57.02 for <rivertripper@gmail.com> (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 08 Apr 2023 07:57:03 -0700 (PDT) Received-SPF: pass (google.com: domain of postmaster@nam02-bn1-obe.outbound.protection.outlook.com designates 2a01:111:f400:7eb2::82c as permitted sender) client-ip=2a01:111:f400:7eb2::82c; Authentication-Results: mx.google.com; arc=pass (i=1); spf=pass (google.com: domain of postmaster@nam02-bn1-obe.outbound.protection.outlook.com designates 2a01:111:f400:7eb2::82c as permitted sender) smtp.helo=NAM02-BN1-obe.outbound.protection.outlook.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=outlook.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=RpMEab9R53Q858FEFKcpMLubzHoe4LZTQCQjo1U6x1b4agbifCXoNSvuPFNFcBhpMJjFREvLz1/pMYlYoCcA3F9mJzu8oplENaoV8AcBXC6ka3HTKMP9bfaj5fI4noMaJ8dosO6M8I7Gi+BHs+IC0p9HAdgqzwjda8vpuxvDe7NkslobOAKchid+I8Dfgzhi6s3CunLGKWjbVsmTQ/D2lixkxQVVn7rZuBhL6Z0+ilqZLVoQT53sWPe7pw86MHDAf4mlMKmp0vYGow8PtsFBYdEAYG1PPf633411PUrMBB+dbZIsSV8f+RTsXZqXsN08tSVvKkzMYlPgAv7kJfHt9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=WWtvkAvIKbCgAFeIB59rA7riz8WsqtFSTybW/eb/VHw=; b=eci/00CstPErj8iWPu3o4T8P8FpbThbq3foTgVtpKC7qfR2dIQ6mdr7S+eV3g+/sy9MQGb3nOOcLpFNQ21WHTva9dUH1xMlk6eqx+rTqK4LrOYkUGkxHPy1rm1SPpxgkaA8sPwZJjKxtzcrUlnt/1ZZ8m0dyeTP2jHwZqDPQdm/WuQpmRi1plf9092mZhnONdHvwfdxk1r56CAm3TQ5Gu5rEAHo20xih+1AJWJZW0jNyx/EI0hq/qqHBgtSdU7mw40CNWcsW2tPB0T/JfeNJNGTmx2uOzcvVtztpSoGIiL02WuWHVWz90hG3WUoLvxMM41yOCAucj3oS3Gfr7RDNTg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none Received: from PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18) by PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18) with MailboxResubmission by DCFSafetyNetReplay id 15.20.6277.29; Sat, 8 Apr 2023 14:57:02 +0000 Received: from SN7PR10MB7002.namprd10.prod.outlook.com (2603:10b6:806:344::20) by PH7PR10MB7088.namprd10.prod.outlook.com (2603:10b6:510:268::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.29; Thu, 6 Apr 2023 20:31:26 +0000 Received: from SN7PR10MB7002.namprd10.prod.outlook.com ([fe80::9e4a:f1d0:f42b:4c85]) by SN7PR10MB7002.namprd10.prod.outlook.com ([fe80::9e4a:f1d0:f42b:4c85%5]) with mapi id 15.20.6254.033; Thu, 6 Apr 2023 20:31:26 +0000 From: XXX <XXX@outlook.com> To: XXX@gmail.com> Subject: FW: Save
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Annette Hall 70 Reputation points
2023-04-08T17:33:28.5+00:00 -
Eric Noreen 15 Reputation points
2023-04-08T17:42:06.1466667+00:00 I am having the same problem. It cannot be keywords or other content because it happened with four completely different messages to different recipients. None of the content was even remotely spam. I had no attachments. It happens when I send messages from my Windows 11 computer and from my iPhone so it isn't malware. I use Outlook mail. Is it possible that my email account has been blocked?
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C Scott 105 Reputation points
2023-04-08T18:30:03.4+00:00 As a follow up, it appears 3 out of 4 rejected sent emails actually went through. Based on response from recipients, they didn't show to recipients until sometime this morning although the time stamp retained the original sent/received date and time of thursday....strange (!). With all the responses to this post, this seems to be a pervasive problem that showed up in the last 2 or 3 days. Coincidentally I had installed Zoom plug-in on tuesday, which I disabled this morning. Not sure if that was related to my problem.
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Annette Hall 70 Reputation points
2023-04-08T18:47:04.44+00:00 see https://portal.office.com/ServiceStatus User impact: Users' sent email messages appear in the Sent folder but isn't received by recipients. Current status: We're continuing to apply the script to procedurally unblock, replay, and deliver the remaining impacted messages in smaller batches to ensure the volume remains manageable. To ensure success, we're monitoring the script progression and we'll provide a resolution timeline once available.
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Carol Randall 5 Reputation points
2023-04-08T21:12:42.3133333+00:00 I have the same problem. Same thing happened a year or so ago and the trouble was with Microsoft's end not us. Same thing again???
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Pamela Austin 0 Reputation points
2023-04-08T22:14:00.0433333+00:00 Duplicate problem here - simple emails with no attachments or content to cause the issue as described by Vasim. Is this an MS problem, or have we been hacked?
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Andy 10 Reputation points
2023-04-08T22:26:01.92+00:00 I also have the same issues as all the above. Emails from Thursday that were sent showed up as failed by the recipient due to the error of being marked as spam. Is Microsoft now aware? Will these emails be delivered or will we have to manually resend all of the emails from the past 2-3 days???
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Jonathan Harris 5 Reputation points
2023-04-08T22:31:48.0466667+00:00 What is worse about this problem: The message that received this error message was a reply to my reply giving feedback on a essay from the sender. The subject line of the rejected message was. RE: my essay
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Nancy K 5 Reputation points
2023-04-09T04:49:53.7866667+00:00 I'm having the same problem. Looks like it started Thursday evening, April 6. Some emails have gotten through for sure, with what appears to be a until Saturday morning, April 8. Is there a way to report this?
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Stamatis 10 Reputation points
2023-04-09T12:55:03.8066667+00:00 The same is happening to me, even when i send a report to myself, by using my hotmail account. I have set up my hotmail account in my router to send me daily reports. So a specific hotmail account sends the report to that very same account (both the sender and recipient are the same hotmail account) and yet i get the same '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)'
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Patrick Austin 0 Reputation points
2023-04-09T20:28:05.0833333+00:00 Outlook account started 4/6/23; cant even email myself Delivery has failed to these recipients or groups: Patrick XXXXXX XXXXXXXXX@MSN.COM Your message wasn't delivered because the recipient's email provider rejected it. Diagnostic information for administrators: Generating server: SJ0PR03MB5472.namprd03.prod.outlook.com Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)' Original message headers: Received: from DS0PR03MB7289.namprd03.prod.outlook.com (2603:10b6:8:120::13) by SJ0PR03MB5472.namprd03.prod.outlook.com (2603:10b6:a03:27a::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.31; Thu, 6 Apr 2023 20:43:04 +0000 Received: from DS0PR03MB7289.namprd03.prod.outlook.com ([fe80::5335:7713:974:fe9]) by DS0PR03MB7289.namprd03.prod.outlook.com ([fe80::5335:7713:974:fe9%5]) with mapi id 15.20.6277.030; Thu, 6 Apr 2023 20:43:04 +0000 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: binary From: Patrick XXXXXX XXXXXXXXX@MSN.COM To: Patrick XXXXXX XXXXXXXXX@MSN.COM Patrick XXXXXX XXXXXXXXX@MSN.COM Subject: =?Windows-1252?Q?=91He=92s_a_war_criminal=92:_Elite_Putin_security_office?= =?Windows-1252?Q?r_defects_|_AP_News?= Thread-Topic: =?Windows-1252?Q?=91He=92s_a_war_criminal=92:_Elite_Putin_security_office?= =?Windows-1252?Q?r_defects_|_AP_News?= Thread-Index: AQHZaMhYLAzRfXyYOEerJI1nia+iMg== X-MS-Exchange-MessageSentRepresentingType: 1 Date: Thu, 6 Apr 2023 20:43:04 +0000 Message-ID: <DS0PR03MB72897C974959E01EF252D046B4919@DS0PR03MB7289.namprd03.prod.outlook.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: <DS0PR03MB72897C974959E01EF252D046B4919@DS0PR03MB7289.namprd03.prod.outlook.com> MIME-Version: 1.0 X-TMN: [3y06Zys8O27Cih9ELhDNT68yNRIECPm1] X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR03MB7289:EE_|SJ0PR03MB5472:EE_ Return-Path: PATAUSTIN@msn.com X-MS-Office365-Filtering-Correlation-Id: 7ee501bf-87fb-4116-6295-08db36df8521 X-MS-Exchange-SLBlob-MailProps: 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 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?zvnxleZWSbM9H9liytPrW3bY+AHJrDEiib+xUVkySybrHiNyJ9FZv/RBUQF6?= =?us-ascii?Q?AC5wlXs8QlR3Fb4M9i0B5Jflk1DFXpUElLq6lhs+P1Cqz7B2hRrN0iAk8zw1?= =?us-ascii?Q?lhfH+SAxQdGabZ0XRaVgLHJ5swC6A/6+TOQG4dggTSbdmWsotFHrtBBcwyPr?= =?us-ascii?Q?qGCRyTEVXXbdfLU9cMCahyhkkeq0sQzvWwEDkSphw7wwmDZV9J8gqyjdM7Ak?= =?us-ascii?Q?0lJSYwuOYYPrUmXN2/vsQYLAiGaMiYyvLUwFG4OETRPs0zmFXEbLq0PUcjlz?= =?us-ascii?Q?Z6vltvtfpcHjYoYaKAVBavaFXlbfxQdszGUyK9rydqJIZpPRNO+UH8ajvV2W?= =?us-ascii?Q?zUGg9rl9oXzIlegRwOxo26xqdCCYXhd4ftlvFyQ6n/P0rLL8b/8iE3PzB0KH?= =?us-ascii?Q?gyYGpNZ5CnRR0FOmgtwJbFbYe2LUokV0GkfnZ/C4173E9S5oXwn1YcxvxPpZ?= =?us-ascii?Q?lb43aG+yltg6V2yIvPukGmG2DyMYSGXC0N1b/H0aYntZzOFD/uDkcxoedq+Z?= =?us-ascii?Q?247beXJpcsg0YPIP7BOpogJ7m8TInwvoN3nzcPdFMuxBbXXshq14JY5BSX+i?= =?us-ascii?Q?UWs59knE6ubK+YA64pgEM+8pyD8pFClceT5Ta69GULGTABix8kaIi5PVjolf?= =?us-ascii?Q?w4ZjEpS3zK5A2Y5HSbfBECJQdx+dfhzhDjLOots+c7DqGen3r95fIZStsWkt?= =?us-ascii?Q?am9ql7cMrK0Z3eHaJFnHMh1cnEYkL1NlzcA127UiR0BEaK4miDaBJwX2c76a?= =?us-ascii?Q?Z1RD+P8m+3Emg4cxbLHMycqQ68h+a7LudWVaDizHEziiNLJqQ0aX9IWVShV8?= =?us-ascii?Q?fU9OkjQMaNRpoMCWwjv8jRoBdJioWXliQKoObdA8z5I5Mva9yuqiaxpGpzLq?= =?us-ascii?Q?wkLt2VMxnM5bnGKSZYu4UTIYgXjv2CP/Mh3XgAaefVtuZ3PGhRaP8LYn06Ug?= =?us-ascii?Q?LOmErHJCphhIoiTh543Wos7kfONdo7gtd4/kimz4e03MAak13ATTBtfq9dds?= =?us-ascii?Q?rtveKCvK5UvpBk5fs/sTtKadSWEo9azmqvKK3Yl09ULqENTlLAgc+baQOU6r?= =?us-ascii?Q?cRZdL/b7bqQM2AdyiCI+ZqW7n3uqLAPMG7z4fUSGwUTkqSgOA4Vb+Wmr9644?= =?us-ascii?Q?rCW8lTz8TEFVIyYNRP1RtN7eIus/4iTo34HXg9epPQyMqZDXEZHcoiB96W+M?= =?us-ascii?Q?F0fjIhn4MmPNHORAz2If9efsj65PfV14mNJFGQ=3D=3D?=
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Amber McLachlan Leavitt 0 Reputation points
2023-04-09T23:25:19.6733333+00:00 I also had this error. I sent a very important email on Thursday April 6/23 and it was returned on Saturday April 8/23 with Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)' Does this mean that on Thursday the recipient didn't get it? Do I need to resend?!?!?
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Mj 0 Reputation points
2023-04-10T02:09:32.3733333+00:00 Having a similar issue on a returning email for a background check for a new job.
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Noman 5 Reputation points
2023-04-12T09:11:34.6766667+00:00 Same error from postmaster@outlook.com Most of the time I get throught this problem by removing any links to some url in my email... So most the time I must send my emails with another email account (not outlook / microsoft related).
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Steven G 0 Reputation points
2023-04-14T20:40:33.3966667+00:00 Screenshot 2023-04-14 134902.jpg
There were three "Undeliverable" notifications that went straight to my Spam folder. However, I do not recall, nor do I have record of sending any emails to the recipients in my screenshot.
I am a subscriber to MS 365 Personal....Malwarebytes premium is installed on my device with an active subscription. The Undeliverable notifications were sent on 4/8/23 but their corresponding emails are dated 4/6/23. Why did the bounce back take 2 days to receive? Undelverable notification.pdf
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Cristina Cheramie 0 Reputation points
2023-05-03T14:18:33.6133333+00:00 I have the same issue, started yesterday - I can't reply, or forward any emails.
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Gina B 5 Reputation points
2023-06-10T16:56:04.2033333+00:00 I have this same annoying problem happening to me sporadically with my MSN account. Emails bounce back with this 'blocked' message and they don't have any "spammy" content or attachments. Today I tried resending a message that had bounced without changing any of the text that I originally sent - I just changed from RTF (Rich Text) to Plain Text format and it was delivered. So try that as a workaround the next time it happens to you. I am using Outlook 2021 and it seems to be associated with that. Outlook 2021 is very buggy. Cheers, Gina
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Francois Crepeau 0 Reputation points
2023-11-06T02:53:09.7733333+00:00 Same here to a client I'm trying to send the invoice to.
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yh 0 Reputation points
2023-11-06T08:41:45.1+00:00 Having the same issue suddenly.
Not just to one particular email address, but a handful of different emails that holds different domains.I was still able to send the emails out perfectly last week.
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Tyler Lam 0 Reputation points
2023-11-06T09:39:02.5366667+00:00 Have anyone got the solution for this specific problem? I just got the same issue today, at noon to be specific. Was fine this morning. still able to send and forward. It happened all suddenly at noon today. I was able to send an plain email without attachment though. But that won't help for important emails.
Delivery has failed to these recipients or groups: Your message wasn't delivered because the recipient's email provider rejected it. Diagnostic information for administrators: Generating server: MEYP282MB3499.AUSP282.PROD.OUTLOOK.COM Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)' Original message headers: Received: from SYYP282MB1535.AUSP282.PROD.OUTLOOK.COM (2603:10c6:10:d9::7) by MEYP282MB3499.AUSP282.PROD.OUTLOOK.COM (2603:10c6:220:17d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6954.28; Mon, 6 Nov 2023 09:25:09 +0000 Received: from SYYP282MB1535.AUSP282.PROD.OUTLOOK.COM ([fe80::122c:665c:de70:849d]) by SYYP282MB1535.AUSP282.PROD.OUTLOOK.COM ([fe80::122c:665c:de70:849d%2]) with mapi id 15.20.6954.028; Mon, 6 Nov 2023 09:25:09 +0000 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: binary Thread-Index: AQHaEJL4C7yAvwDet0iPPYChYIBtqg== Date: Mon, 6 Nov 2023 09:25:09 +0000 Message-ID: <SYYP282MB15355BD8958E0CADEB6E048BB1AAA@SYYP282MB1535.AUSP282.PROD.OUTLOOK.COM> Accept-Language: en-AU, en-US Content-Language: en-AU X-MS-Has-Attach: yes X-MS-TNEF-Correlator: <SYYP282MB15355BD8958E0CADEB6E048BB1AAA@SYYP282MB1535.AUSP282.PROD.OUTLOOK.COM> msip_labels: MIME-Version: 1.0 X-TMN: [bPn00bL/Td2KWV0AwimpfpuI39GQW46k] X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SYYP282MB1535:EE_|MEYP282MB3499:EE_ Return-Path: tyler2309@hotmail.com X-MS-Office365-Filtering-Correlation-Id: 44731a08-8dc5-4580-c54a-08dbdeaa4595 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?MdrLBilKO4e4wftLzIuUeRbEQQmEaMeEt4DbxX1n8tqNwOXBTB/yRnsq3nEA?= =?us-ascii?Q?vXtarxytF1tdQOEcF4f63gfCFadxIq3kU9iXzeqk2hS87eJmEzvyYcosMD24?= =?us-ascii?Q?wK0cU5E5gRDoVMgtmOyncG6hZWmQWClo0KBX8U6bxaXQKKpQCkmRlGJnPG8c?= =?us-ascii?Q?7kWrNVNsWOqrhI7bdUJzvBDRjT9MVYdUtMI+bS9neW/XJwEF9MGLH8yjW9eD?= =?us-ascii?Q?FjDeBKvf3BPt6B3coSR2a5HD0yCVlhu/RUpMf/B7Z3vX41C0YXM8zECnLs38?= =?us-ascii?Q?NtynD2cAOPVRoDDID7n1Rdpe/f2kMIUz28hk3k+DcQ/hie+QrBXQ9BIvJ/hZ?= =?us-ascii?Q?hIvSxGRR+TLiI51vbms/drzGXTOys3vij/YTLgEfMU8/1JM7SjpqNO58HuQf?= =?us-ascii?Q?qzdJBVjL69CB9/0NDa+vva5uIiK7uZL+QIBBDKJ7k0nY8RFhGdcXXYDlJ25c?= =?us-ascii?Q?+kmbyvxwrViHRpTrzHpxabTUI4QXoU6Wv1KfImh5ryoh4hU4qOUUUeio+fSE?= =?us-ascii?Q?y1uCKtTkZKzTeQFUqYLRXPzypl5q5qUz70Xg0nf8f1lmtMQDEYCvoabR0W2C?= =?us-ascii?Q?kuo5fIZrnrvuFGCXk70aZ0WVhGymhjFWzRoGTFemmRrro2SwciaNdUU6kwhn?= =?us-ascii?Q?IhOPG4haVVGC57bbwU2TcSsprV8DSpuQSR3CZZX+mopM2PTleRZDWMYlpnKM?= =?us-ascii?Q?6MUUbWqwyNmEAiWZNapkehFyn6jQuCU0UFPeb20j6L7qJ6vKuddvYmTGiXSP?= =?us-ascii?Q?EwkXN0UhcYAHPrN7o874avuGTtPHgNmafeA1Ga51YJxqSO6O3Q5W2TtEqmdE?= =?us-ascii?Q?g90wHmz84n3rlGZ/8byS5S8DO+9tFlVORq18rDIoGb05kgA7I0XvJgh+/RXy?= =?us-ascii?Q?pKXqItq1fxuD0JXmD1k/Tc19R8PvazeWo0rjUJRBin7sNQ5U3Lsigtm4XSgp?= =?us-ascii?Q?XKLMTbx646LJLyYwuFJcrtFsjn1OPXDPzhU9uhnDhHfRNe40BRECBS5Upodu?= =?us-ascii?Q?yvUucjyoR8gpEkR7SFjIVkzPxUYlBBI6XXtCZlh+1ax6ATlC/uh3pb6J1iQD?= =?us-ascii?Q?hluSD4ykkiqnuI0Pdt+EYbiRitt9niEfzk+NC9OrZNzIwzBWmexsDylehvt/?= =?us-ascii?Q?PXhISsWoBZpiP47QagBAb3UtVTVyC9UIU6jLH/Rylbc5fbXgWH+TIIQcnVY8?= =?us-ascii?Q?tkWKwjguzlCXnnbU1geyFEUGAmrU3QXydqDQhA=3D=3D?=
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Tyler Lam 0 Reputation points
2023-11-06T09:55:15.2633333+00:00 I have the same issue. Just happens today.
Someone please help!!!
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Φανή Ζώη 0 Reputation points
2023-11-06T10:02:37.8533333+00:00 Same here, did anyone find any solution? I can' t send any email with attached files
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DSS Heating and Plumbing 0 Reputation points
2023-11-06T10:25:32.0266667+00:00 I think this must be a microsoft issue, as we cannot send emails with attachments either. Anyone know how we log this with microsoft?
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André S 0 Reputation points
2023-11-06T12:11:05.4833333+00:00 Same problem here in Switzerland. I can't even send an e-mail to myself without it being marked as spam.
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52855936 0 Reputation points
2023-11-06T12:12:22.23+00:00 We have the same problem, we can not send any mail with PDF attachment. Hope the issue will resvolve quickly.
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DILIP GIANCHANDANI 0 Reputation points
2023-11-06T12:29:26.94+00:00 I've got the same problem and it looks as that's Microsoft fall. Hope they will react soon as it brings me only troubles.
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Mr.Ilker 0 Reputation points
2023-11-06T12:41:08.5133333+00:00 Same problem is still going on in also Turkey. Emails are coming back.
Try sending emails with your attachments zipping until the problem is resolved
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Andreia Tavares 5 Reputation points
2023-11-06T12:43:49.8366667+00:00 I have the same issue but the problem only occurs when sending emails with PDF attachments. All others attachments work properly.
My workaround is to compress all pdf files as zip and I can send the emails that way.
Has anyone found a solution for this yet?
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Michael Huang 0 Reputation points
2023-11-06T14:53:54.23+00:00 It's November 6, 2023 today, and I am having this problem when I am sending with attachment. I tried to send it to myself, same error message. But it seems to work when I send the same email from cell phone.
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TORRES Y CALERO S.A TOYCASA 0 Reputation points
2023-11-06T14:58:18.54+00:00 I'm having exactly the same issues here in SPAIN......
remote server returned '550 5.7.520 message blocked because it contains content identified as spam. as(4810)'
Please help
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Steve Danyleyko 0 Reputation points
2023-11-06T15:16:32.4366667+00:00 November 6, 2023 10amEST All my emails ...
Generating server: CH2PR14MB3721.namprd14.prod.outlook.com
@msn.com
Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)'Generating server: PH7PR14MB6985.namprd14.prod.outlook.com
@matrixsupply.ca
Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)' -
Robson R. Marcidelli de Almeida 5 Reputation points
2023-11-06T15:42:41.1633333+00:00 Same here, Brazil, can't send any attachments, it is the account I use for my business, absolute nightmare.
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Ed Newcome 0 Reputation points
2023-11-06T15:59:56.86+00:00 Same here (UK). I can't even send myself an email if it contains an attachment. Microsoft please do something! This is my work email!!
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PAUL BRUNO 5 Reputation points
2023-11-06T16:11:17.1566667+00:00 I just exported (saved) a PDF file as a JPG and was able to send it. That's a way to get around having your PDF files labeled as spam.
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Clara P 0 Reputation points
2023-11-06T16:24:22.75+00:00 idem pour moi, impossible d'envoyer des mails avec pièces-jointes à des destinataires habituels !
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Esther Perez Palao 0 Reputation points
2023-11-06T17:15:27.24+00:00 Hi i am facing the same issue today november 6th from spain since this morning. I have many problems with recruiters please i need a solution
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Veronica Cruz Castillo 0 Reputation points
2023-11-06T18:40:52.56+00:00 Hola buen día
Tengo el mismo problema, todo lo marca como spam, si hay alguna solución por favor de informar o saber que hacer con este detalle.
Gracias.
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Daniel Vera Sánchez 0 Reputation points
2023-11-06T18:50:42.8933333+00:00 Tengo el mismo problema, parece que es general, pido ayuda para solucionar este problema, gracias
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Fabiano Brancher 0 Reputation points
2023-11-06T19:21:17.65+00:00 I'm having the same problem here.
Yesterday was working just fine.I hope Microsoft fix this soon... it's causing me a lot of problems.
My workaround: Write your e-mail with attachments on Outlook Web, save draft.
Go to your smartphone and send through the Outlook Mobile app.
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Mariana B 0 Reputation points
2023-11-06T20:19:25.8666667+00:00 Here in Brazil, is the same. I dont know what to do. All my accounts is the same error.
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Tineke Van Lombergen 0 Reputation points
2023-11-06T21:39:19.47+00:00 Same in Belgium, normal mails no problem, with a pdf attached bounced
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TheHigh Priestess 0 Reputation points
2024-03-28T04:30:16.38+00:00 I have a business account and customers that have all registered for email updates. Every single email saying this same message. I have deleted our logo, it still happens.
What the HELL is Microsoft doing about this!
I even sent an email to my daughter and got the same message! 😡😡😡
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luciano cungi 0 Reputation points
2024-06-01T15:22:08.8633333+00:00 dal telefono funziona dal computer torna indietro come fare per sbloccare???
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52 answers
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PAUL BRUNO 5 Reputation points
2023-11-06T16:14:12.7+00:00 -
Peter Feng 10 Reputation points
2023-11-06T17:12:25.78+00:00 Tested again,
- login www.hotmail.com to send emails with PDF attached file.
result: undeliverable, errors:
Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)'
- Used "Windows Mail" Apps to send the emails with attached PDF files. it went through!
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Francis Halin 5 Reputation points
2023-11-06T17:42:48.3666667+00:00 I just have the same problem. If I send an e-mail without attachement, it works, if the mail contains PDF attachements, it is blocked. VERY ANNOYING.
The mail is sent normally with a jpg attachement.
I was able to send a PDF file after including it as a ZIP file with WINZIP.
This could be a workaround while waiting for Microsoft to deign to search and find a solution.
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TS 0 Reputation points
2023-11-06T18:16:14.3466667+00:00 this work around helped me, thank you!
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Daniel Hnyk 56 Reputation points
2023-11-06T18:12:12.1033333+00:00 I have the same issue with sending PDF attachments. I opened service support ticket for M365 for family subscription this early afternoon. I had a call in some minute from tech support, but that support guy told me, he is not able to hear me and hang out the call. Currently i am not able to sign in that support portal to review my opened ticket. I noticed that their web pages sometimes don't work as well. Sometimes i have some error as you don't have a permission when I want to visit some support page or MS main page. I think the rollup some update to non-business customer, and I hope they are working on fix.
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colin trundle 5 Reputation points
2023-11-07T09:00:32.2266667+00:00 Seems to be working again now