compauth=fail reason=601

Test ads showing reviews when retargeting, Test Robots.Txt Blocking On Google Search Console. After you have the message header information, find the X-Forefront-Antispam-Report header. I understand that this is because they are pretending to be ourdomain.com but not originating from o365 so appear to be spoof. This value. Safe link checker scan URLs for malware, viruses, scam and phishing links. compauth=fail reason=601. Lastly, try increasing the smtp timeout and see if the mail goes through. - Are You can follow the question or vote as helpful, but you cannot reply to this thread. The message was marked as non-spam prior to being processed by spam filtering. Agree with the information provided by Andy above, trychanging your anti-spoofing settings in thePolicy ofThreat management. Have the sending organization check their side for problems. I'm not quite sure how to do this. For example, the message was marked as SCL 5 to 9 by a mail flow rule. (scrubbed of the actual domain). When the, The message matched an Advanced Spam Filter (ASF) setting. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Test retiring Exchange Server 2016 hybrid server? For more information, see What policy applies when multiple protection methods and detection scans run on your email. Those MS More info about Internet Explorer and Microsoft Edge, Microsoft Defender for Office 365 plan 1 and plan 2, What policy applies when multiple protection methods and detection scans run on your email, a protected user that's specified in an anti-phishing policy, Configure junk email settings on Exchange Online mailboxes, How Microsoft 365 handles inbound email that fails DMARC. The message skipped spam filtering and was delivered to the Inbox because the sender was in the allowed senders list or allowed domains list in an anti-spam policy. The spam confidence level (SCL) of the message. Here is an example of an email that failed Implicit Authentication: authentication-results: spf=pass (sender IP is 63.143.57.146) smtp.mailfrom=email.clickdimensions.com; dkim=pass (signature was verified) header.d=email.clickdimensions.com; dmarc=none action=none header.from=company.com;compauth=fail reason=601. If your server rejects a message it won't show up in the message tracking logs. And what the reason code is? Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Does anyone know if there are any free training anywhere ? The PTR record (also known as the reverse DNS lookup) of the source IP address. Is there a rule I can set to allow these through safely? This can be achieved on an Office 365 tenant by adding a transport rule.An email not passing DMARC tests of a domain having p=reject will have dmarc=fail action=oreject and compauth=fail reason=000 in the Authentication-Results header.. You could catch the dmarc=fail action=oreject:. MS puts useful information in the header that will give you a clue regarding the reason it was put in junk. I understand that this is because they are pretending to be ourdomain.com but not originating from o365 so appear to be spoof. Seriously!?!? A vast community of Microsoft Office365 users that are working together to support the product and others. Use the 90-day Defender for Office 365 trial at the Microsoft 365 Defender portal trials hub. the alignment is probably wrong . I have checked the header but there are no clues as to what reason the email is classified as spam. The message was released from the quarantine and was sent to the intended recipients. header.from=example.com;compauth=fail reason=601 Received-SPF: Fail (protection.outlook.com: domain of . If you do not this could be network related or the IP address your telneting from may be blocked on the receiving end. in "Apply this rule if" dropdown select "A message header " and choose "includes any of these words". Uses the From: domain as the basis of evaluation. (e.g d=domain.gappssmtp.com for Google & d=domain.onmicrosoft.com for Office365) - The default signing is NOT your domain. If you have anything other than Exchange in your inbound mail stream you should check any Please remember to Do you have any suggestions to mark these emails as spam/phishing/spoofed email and either block them or mark them as junk/send to quarantine? X-Microsoft-Antispam: Contains additional information about bulk mail and phishing. Do you have any suggestions to mark these emails as spam/phishing/spoofed email and either block them or mark them as junk/send to quarantine? If you send from multiple IP addresses and domains, the compauth and reason values may differ from one campaign to another. You'll notice that the roadmap item was just added in the last 24 hours, and was immediately listed as "rolling out". The value is a 3-digit code. After posting I did enable the Anti Spam for just myself as a test and we have a separate policy for SPF Hard Fail that we're testing as well. We've been receiving emails lately where the sender is spoofing some of our accounts and in the header it's stating "Does not desiginate permitted sender host" (which is true) and the Authentication Results Close. mark the replies as answers if they helped. There may be a routing problem (it wouldn't be the first time I've seen problems introduced by a misplace static route somewhere between two organizations). For example, the message received a DMARC fail with an action of quarantine or reject. I recently started as a remote manager at a company in a growth cycle. What You Need To Know About DKIM Fail. Test marketing emails going to junk with 'compauth=fail reason=601' We use 'campaign monitor' to send out email newsletters, and it works very well, except any emails which come to our domain are marked by o365 as Junk. He has 5+ years of emails with all kinds of . However, the email is not marked as spam and is ending up in our users inboxes. There will be multiple field and value pairs in this header separated by semicolons (;). & Compliance > Threat Management > Policy > Anti-spam > Spoof intelligence Save questions or answers and organize your favorite content. Please also refer to this similar thread:Phishing emails Fail SPF but Arrive in Inbox, Try turning SPF record: hard fail on, on the default SPAM filter. I think, in your case, you've omitted the name of the server. - Firstly go to MXtoolbox.com and check that your IP is not blacklisted. I mean that 601 isn't a status code that I've seen defined in any RFC for the SMTP protocol -- at least not any RFC that Exchange claims it follows. If you have any questions or needed further help on this issue, please feel free to post back. This is a process also known as email domain authentication. Do not add to the domain safelist in the anti-spam policy however, thats a bad idea. ; email; microsoft-office-365; exchangeonline; spam-marked; email : EFilteredAsspam. The message was marked as spam prior to being processed by spam filtering. -Lastly, This is the domain that's queried for the public key. Did you know you can try the features in Microsoft 365 Defender for Office 365 Plan 2 for free? The following table describes useful fields in the X-Microsoft-Antispam message header. For more information, see. If the issue has been resolved, please mark the helpful replies as answers, this will make answer searching in the forum An item to check is login to the server that SmarterMail is installed on and try to telnet to the IP address 116.251.204.147 and see if you get a 220 response. We were going to start with adding text to SPF hard fails first. An inbound message may be flagged by multiple forms of protection and multiple detection scans. Try using "servername\Internet SMTP 2007" as the "-Identity". Repeat the steps above for other campaigns as needed. Bryce (IBM) about building a "Giant Brain," which they eventually did (Read more HERE.) A critical event . Learn about who can sign up and trial terms here. For more information, see. Click on "More Options" to show advanced settings. SPAM - Mark as Junk Emails with Compauth=601, Phishing emails Fail SPF but Arrive in Inbox. Welcome to the Snap! Firstly go to MXtoolbox.com and check that your IP is not blacklisted. A very common case in which your DMARC may be failing is that you haven't specified a DKIM signature for your domain. I'm sorry, I don't know what you mean by this. easier and be beneficial to other community members as well. 001 means the message failed implicit email authentication; the sending domain did not have email authentication records published, or if they did, they had a weaker failure policy (SPF soft . FreshDeskOffice 365 For example: Composite authentication result. 601 is a generic error message. For information about how to view an email message header in various email clients, see View internet message headers in Outlook. For more information, see, The message was marked as spam because it matched a sender in the blocked senders list or blocked domains list in an anti-spam policy. I have set up SPF and DKIM, but the issue still arises. Name the rule. The category of protection policy, applied to the message: The connecting IP address. instructions were from last week, so that may be why they are already out of Possible values include: Describes the results of the DMARC check for the message. Learn more. I used this command to turn it on: Delivery Failure Reason: 601 Attempted to send the message to the following ip's: Exchange 2003 and Exchange 2007 - General Discussion. In such cases, your email exchange service provider assigns a default DKIM signature to your outbound emails that don't align with the domain in your From header. According to your description about "compauth=fail reason=601", compauth=fail means message failed explicit authentication (sending domain published records explicitly in DNS) or implicit authentication (sending domain did not publish records in DNS, so Office 365 interpolated the result as if it had published records). The following are the authentication results from the headers of a test / example email: Authentication-Results: spf=pass (sender IP is 3.222.0.27) smtp.mailfrom=emailus . John changed his password and seems to have stopped worrying about it, but I don't think he's taking it anywhere near seriously enough. The reason the composite authentication passed or failed. The following list describes the text that's added to the Authentication-Results header for each type of email authentication check: The following table describes the fields and possible values for each email authentication check. date. In all Microsoft 365 organizations, Exchange Online Protection (EOP) scans all incoming messages for spam, malware, and other threats. I can't be sure from the extract you posted, but it's the likely answer. If I start to see legitimate emails being caught by Anti Spam (I have one last night from our helpdesk) do I create a transport rule to allow the email or just whitelist? Microsoft Defender for Office 365 plan 1 and plan 2. Your daily dose of tech news, in brief. This topic has been locked by an administrator and is no longer open for commenting. We use MailChimp to send out campaign emails to thousands of people, a lot of which are part of our internal organization. 001: The message failed implicit authentication (compauth=fail). Email authentication (also known as email validation) is a group of standards that tries to stop spoofing (email messages from forged senders). Modified 6 years, 8 months ago. The results of these scans are added to the following header fields in messages: X-Forefront-Antispam-Report: Contains information about the message and about how it was processed. Possible values include: Domain identified in the DKIM signature if any. Otherwise, ensure they pass DMARC (Inlcude the sending IPs in your SPF record) with the aforementioned alignment and allow that based on FROM your domain and passing DMARC using a transport rule. log files they produce, too. Review the Composite Authentication charts below for more information about the results. Do you mean telnet to their server from our Exchange server? Can you post the relevant headers including the authentication headers ? Messages classified by Microsoft as spoofed display a compauth=fail result. Authentication-Results: spf=pass (sender IP is 13.111.207.78) smtp.mailfrom=bounce.relay.corestream.com; mcneese.edu; dkim=none (message not signed) header.d=none;mcneese.edu; dmarc=none action=none header.from=mcneese.edu;compauth=fail reason=601 Adding a . The sending domain is attempting to, 9.20: User impersonation. FYI, you should be looking at the SMTP protocol logs, not the message tracking logs. To continue this discussion, please ask a new question. Create an account to follow your favorite communities and start taking part in conversations. For more information, see. I have a vendor whose emails are going into a quarantine folder in the O365 admin center. The error message is 'compauth=fail reason=601'. (ie, not whitelisting ourdomain.com) I've whitelisted the campaign monitor domains, but they are still going to Junk. We have a client that is trying to send us emails but is getting a Delivery Failure notice in return. If you are seeing messages fail because they have SPF hard fails, I wouldnt allow those at all if the sending domain isnt going to send those legitimately., but yes, a transport rule would allow those as well. For more information about how admins can manage a user's Safe Senders list, see Configure junk email settings on Exchange Online mailboxes. You can setup campaign monitor to sign as your domain with DKIM, which is the correct solution vs just whitelisting and telling your servers to ignore the issue . Looking at MX Toolbox, it reports the following: Check to DMARC Compliant (No DMARC Record Found) If your server rejects a message it won't show up in the message tracking logs. Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. policy but thats greyed out. changes to firewalls recently or did you introduce any spam software etc.? Copy/Paste Warning. tnsf@microsoft.com. Whitelisting the messages as sent from your domain and from the allowed IPs, that would be a pretty solid rule. Migrating from mapped drives to SharePoint/Teams, any Typo in "new" Exchange Admin Center: "Match sender Use Ai overlay with a whiteboard in teams. Any changes to firewalls recently or did you introduce any spam software etc.? Spam filtering marked the message as non-spam and the message was sent to the intended recipients. This article describes what's available in these header fields. action Indicates the action taken by the spam filter based on the results of the DMARC check. Here is an official document introduces aboutAnti-spoofing protection in Office 365for your are failing with a "compauth=fail reason=601". I finally might have the budget for next year to refresh my servers.I'm undecided if I should stick with the traditional HPE 2062 MSA array (Dual Controller) with 15k SAS drives or move to a Nimble HF appliance. reference. 5 The reason for the DMARC fail on SPF policy ( <policy_evaluated><spf>fail) despite the SPF check passing ( <auth_results><spf><result>pass) is that your SMTP "mailFrom" ( envelope MAIL From or RFC 5321.MailFrom) & your header "From" fields are out of alignment. and it came up with a few issues: - Secondly, can you telnet on port 25 from your exchange server? 1. Other fields in this header are used exclusively by the Microsoft anti-spam team for diagnostic purposes. Google Workspace to Office 365 migration help. Viewed 2k times 1 New! to whatever software they're using. Here are the steps to configure the Exchange rule to reject such inbound emails: Login to Exchange Online portal. But if that's the case then what's up with the SPF failure? The error message is 'compauth=fail reason=601'. The reason the composite authentication passed or failed. Can anyone explain what these differences mean? Possible values include: 9.19: Domain impersonation. For example: Describes the results of the SPF check for the message. FYI, you should be looking at the SMTP protocol logs, not the message tracking logs. Purchasing laptops & equipment You can copy and paste the contents of a message header into the Message Header Analyzer tool. Filtering was skipped and the message was allowed because it was sent from an address in a user's Safe Senders list. This thread is locked. If you have feedback for TechNet Subscriber Support, contact We have SPF, DKIM set up, and it appears they are passing, but the anti-spoofing protection sends about half of the emails to the Junk folder in our user inboxes. We use 'campaign monitor' to send out email newsletters, and it works very well, except any emails which come to our domain are marked by o365 as Junk. Return-Pathsupport@mail.example.jpsupport. That means the feature is in production. For one of these providers, we have SPF setup, authenticating, and DKIM is setup as well. The client is sending the email to two of our users. Thank you so much. Anti-phishing policies look for lookalike domains and senders, whereas anti-spoofing is more concerned with domain authentication (SPF, DMARC, and DKIM). It might be theirs. https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/set-up-anti-phishing-policies?view=o365-worldwide, https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/tuning-anti-phishing?view=o365-worldwide, https://techcommunity.microsoft.com/t5/exchange/use-orca-to-check-office-365-advanced-threat-protection-settings/td-p/1007866. A higher BCL indicates a bulk mail message is more likely to generate complaints (and is therefore more likely to be spam). Test drive when just shopping and comparing? This means that the sending domain did not have email authentication records published, or if they did, they had a weaker failure policy (SPF soft fail or neutral, DMARC policy of p=none). DKIM allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain. Go to Mail Flow -> Rules.

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