Thank you so much. The error message is 'compauth=fail reason=601'. 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. This topic has been locked by an administrator and is no longer open for commenting. I'm not quite sure how to do this. This thread is locked. The message was released from the quarantine and was sent to the intended recipients. 001: The message failed implicit authentication (compauth=fail). The reason the composite authentication passed or failed. Seriously!?!? The X-Forefront-Antispam-Report header contains many different fields and values. 601 is a generic error message. I read that I can crank up a setting to send SPF fails into the fire in O365 > Security & Compliance > Threat Management > Policy > Anti-spam > Spoof intelligence policy but that's greyed out. For example, the message was marked as SCL 5 to 9 by a mail flow rule. Describes the results of the DKIM check for the message. Also, since the SENDER is reporting the error they should be able to tell you which MTA it was that sent that status code. Click on "More Options" to show advanced settings. It might be some 3rd-party service or software that you're running, too. I ran a message header analyzer and found this. 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. DKIM failure when signing with different domain - header.d ignored. Microsoft does not guarantee the accuracy of this information. header.from=example.com;compauth=fail reason=601 Received-SPF: Fail (protection.outlook.com: domain of . ; email; microsoft-office-365; exchangeonline; spam-marked; email : EFilteredAsspam. The language in which the message was written, as specified by the country code (for example, ru_RU for Russian). The message was identified as phishing and will also be marked with one of the following values: Filtering was skipped and the message was blocked because it was sent from an address in a user's Blocked Senders list. Name the rule. For more information, see What policy applies when multiple protection methods and detection scans run on your email. Case 1: If you don't set up DKIM Signature, ESPs such as GSuite & Office365 sign all your outgoing emails with their default DKIM Signature Key. I've done that already (see headers in other reply) and it's still happening. 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 . This is the domain that's queried for the public key. The message was identified as bulk email by spam filtering and the bulk complaint level (BCL) threshold. (ie, not whitelisting ourdomain.com) I've whitelisted the campaign monitor domains, but they are still going to Junk. the alignment is probably wrong . 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:. and it came up with a few issues: - Secondly, can you telnet on port 25 from your exchange server? I read that 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. instructions were from last week, so that may be why they are already out of Your daily dose of tech news, in brief. - Are 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. The results of email authentication checks for SPF, DKIM, and DMARC are recorded (stamped) in the Authentication-results message header in inbound messages. A critical event . There will be multiple field and value pairs in this header separated by semicolons (;). Can anyone explain what these differences mean? FYI, you should be looking at the SMTP protocol logs, not the message tracking logs. For more information about how admins can manage a user's Blocked Senders list, see Configure junk email settings on Exchange Online mailboxes. You'll notice that the roadmap item was just added in the last 24 hours, and was immediately listed as "rolling out". I understand that this is because they are pretending to be ourdomain.com but not originating from o365 so appear to be spoof. 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? date. Check if compauth.fail.reason.001 is legit website or scam website URL checker is a free tool to detect malicious URLs including malware, scam and phishing links. Do you mean telnet to their server from our Exchange server? & Compliance > Threat Management > Policy > Anti-spam > Spoof intelligence Here is the contents of the email the client gets: Use "get-receiveconnector" for a list of all the connector names. Here are the steps to configure the Exchange rule to reject such inbound emails: Login to Exchange Online portal. Purchasing laptops & equipment -Where is the 601 status code defined in a SMTP RFC? Return-Pathsupport@mail.example.jpsupport. The following table describes useful fields in the X-Microsoft-Antispam message header. 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. Do suggestions above help? Ask Question Asked 7 years, 11 months ago. Possible values include: Describes the results of the DMARC check for the message. For more information about how admins can manage a user's Safe Senders list, see Configure junk email settings on Exchange Online mailboxes. The sending domain is attempting to, 9.20: User impersonation. For one of these providers, we have SPF setup, authenticating, and DKIM is setup as well. However, the email is not marked as spam and is ending up in our users inboxes. Possible values include: Domain identified in the DKIM signature if any. Create an account to follow your favorite communities and start taking part in conversations. What is set for the MAIL FROM compared to the FROM:? I'm sorry, I don't know what you mean by this. If the issue has been resolved, please mark the helpful replies as answers, this will make answer searching in the forum In all Microsoft 365 organizations, Exchange Online Protection (EOP) scans all incoming messages for spam, malware, and other threats. compauth=fail reason=601. Copy/Paste Warning. Similar to SFV:SKN, the message skipped spam filtering for another reason (for example, an intra-organizational email within a tenant). MS puts useful information in the header that will give you a clue regarding the reason it was put in junk. 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 . Office 365 - Change Primary email to sharedinbox, make Press J to jump to the feed. Other fields in this header are used exclusively by the Microsoft anti-spam team for diagnostic purposes. FYI, you should be looking at the SMTP protocol logs, not the message tracking logs. 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. To continue this discussion, please ask a new question. Any changes to firewalls recently or did you introduce any spam software etc.? The spam confidence level (SCL) of the message. Safe link checker scan URLs for malware, viruses, scam and phishing links. OR For more information, see. 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). to whatever software they're using. If you do not this could be network related or the IP address your telneting from may be blocked on the receiving end. Viewed 2k times 1 New! For example: 000: The message failed explicit authentication (compauth=fail). Test ads showing reviews when retargeting, Test Robots.Txt Blocking On Google Search Console. In order to keep pace with new hires, the IT manager is currently stuck doing the following: you having this problem all the time or just with this client? reference. A higher value indicates the message is more likely to be spam. I recently started as a remote manager at a company in a growth cycle. The error message is 'compauth=fail reason=601'. Microsoft Defender for Office 365 plan 1 and plan 2. The PTR record (also known as the reverse DNS lookup) of the source IP address. Can you post the relevant headers including the authentication headers ? are failing with a "compauth=fail reason=601". Bryce (IBM) about building a "Giant Brain," which they eventually did (Read more HERE.) I'd like to send every SPF fail to junk or just let it die in quarantine. Get a complete analysis of compauth.fail.reason.001 the check if the website is legit or scam. 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). action Indicates the action taken by the spam filter based on the results of the DMARC check. . The individual fields and values are described in the following table. - Firstly go to MXtoolbox.com and check that your IP is not blacklisted. As said before, to classify whether a coming email is a spam, which needs to check the "compauth failure" values (not only the . The error message is 'compauth=fail reason=601'. And what the reason code is? Lastly, try increasing the smtp timeout and see if the mail goes through. in "Apply this rule if" dropdown select "A message header " and choose "includes any of these words". For example, the message was marked as SCL -1 or. 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. Anti-Spoofing Protection & MailChimp. Press question mark to learn the rest of the keyboard shortcuts. The source country as determined by the connecting IP address, which may not be the same as the originating sending IP address. 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. Authentication-results: Contains information about SPF, DKIM, and DMARC (email authentication) results. What actions are set for your anti-phishing polices? 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. Is there a rule I can set to allow these through safely? When the, The message matched an Advanced Spam Filter (ASF) setting. 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. Wow that was lucky! (e.g d=domain.gappssmtp.com for Google & d=domain.onmicrosoft.com for Office365) - The default signing is NOT your domain. For information about how to view an email message header in various email clients, see View internet message headers in Outlook. 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. FreshDeskOffice 365 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. Welcome to the Snap! I left google now its going away here to!? We (sender.org) provide a mail server for a client (example.org) and sign outgoing messages with our . Microsoft 365 Defender. The sending user is attempting to impersonate a user in the recipient's organization, or, 9.25: First contact safety tip. There was a time when Microsoft IGNORED an SPF hard-fail and treated it as a soft-fail, in spite of that box being checked. -Lastly, The IP address was not found on any IP reputation list. Test retiring Exchange Server 2016 hybrid server? Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. See the last link I posted above to run the best practices analyzer for your tenant. 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. are you having this problem all the time or just with this client? This article describes what's available in these header fields. You can copy and paste the contents of a message header into the Message Header Analyzer tool. For example: Composite authentication result. A very common case in which your DMARC may be failing is that you haven't specified a DKIM signature for your domain. Anti-phishing policies look for lookalike domains and senders, whereas anti-spoofing is more concerned with domain authentication (SPF, DMARC, and DKIM). are failing with a "compauth=fail reason=601". This is a process also known as email domain authentication. Modified 6 years, 8 months ago. Learn about who can sign up and trial terms here. For example: Describes the results of the SPF check for the message. For more information, see. Indicates the action taken by the spam filter based on the results of the DMARC check. If you have any questions or needed further help on this issue, please feel free to post back. For more information, see. compauth=fail reason=601 Received-SPF: None (protection.outlook.com: eu-smtp-1.mimecast.com does not designate permitted sender hosts) Repeat the steps above for other campaigns as needed. The HELO or EHLO string of the connecting email server. However, when a test email was sent, it still reports compauth=fail reason=601 and gets quarantined by our anti-phishing policy as a spoof email. I found a result which may point to junk folder - compauth=fail reason=601, however. 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. Please remember to Do not add to the domain safelist in the anti-spam policy however, thats a bad idea. If you send from multiple IP addresses and domains, the compauth and reason values may differ from one campaign to another. A higher BCL indicates a bulk mail message is more likely to generate complaints (and is therefore more likely to be spam). You can use this IP address in the IP Allow List or the IP Block List. However, the email is not marked as spam and is ending up in our users inboxes. 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). Monday, April 13, 2020 6:47 PM Answers Users should simply add to their safe sender lists in Outlook or OWA. The value is a 3-digit code. But if that's the case then what's up with the SPF failure? Whitelisting the messages as sent from your domain and from the allowed IPs, that would be a pretty solid rule. 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 . reason 001: The message failed implicit authentication (compauth=fail). You can follow the question or vote as helpful, but you cannot reply to this thread. Uses the From: domain as the basis of evaluation. I can't be sure from the extract you posted, but it's the likely answer. In all Microsoft 365 organizations, EOP uses these standards to verify inbound email: SPF. I just looked through my Exchange message logs and it looks like it is hitting our server but I guess it is getting turned around? That means the feature is in production. Email authentication (also known as email validation) is a group of standards that tries to stop spoofing (email messages from forged senders). . Secondly, can you telnet on port 25 from your exchange server? What You Need To Know About DKIM Fail. If your server rejects a message it won't show up in the message tracking logs. We have a client that is trying to send us emails but is getting a Delivery Failure notice in return. DKIM. The reason the composite authentication passed or failed. For more information, see. Freshdesk is sending emails directly (authenticated via SPF) to Office 365 mailboxes but they are consistently being delivered to the junk folder for all recipients. Firstly go to MXtoolbox.com and check that your IP is not blacklisted. Agree with the information provided by Andy above, trychanging your anti-spoofing settings in thePolicy ofThreat management. Used by Microsoft 365 to combine multiple types of authentication such as SPF, DKIM, DMARC, or any other part of the message to determine whether or not the message is authenticated. If you have anything other than Exchange in your inbound mail stream you should check any Learn more. If your server rejects a message it won't show up in the message tracking logs. Where is the 601 status code defined in a SMTP RFC? We use MailChimp to send out campaign emails to thousands of people, a lot of which are part of our internal organization. The value is a 3-digit code. After you have the message header information, find the X-Forefront-Antispam-Report header. I can crank up a setting to send SPF fails into the fire in O365 > Security Policies have different priorities, and the policy with the highest priority is applied first. If you have feedback for TechNet Subscriber Support, contact 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. 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. 2021-05-22 20:01. 1. This value. policy but thats greyed out. To see the X-header value for each ASF setting, see, The bulk complaint level (BCL) of the message. try increasing the smtp timeout and see if the mail goes through. In research, we seem to be passing most spam tests. 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. That said, I clicked the "find problems' button on there The category of protection policy, applied to the message: The connecting IP address. SPAM - Mark as Junk Emails with Compauth=601, Phishing emails Fail SPF but Arrive in Inbox. Flashback: Back on November 3, 1937, Howard Aiken writes to J.W. Checked and I don't see it as being blacklisted. I have a vendor whose emails are going into a quarantine folder in the O365 admin center. (scrubbed of the actual domain). 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. The client is sending the email to two of our users. tnsf@microsoft.com. We were going to start with adding text to SPF hard fails first. Try using "servername\Internet SMTP 2007" as the "-Identity". The message skipped spam filtering because the source IP address was in the IP Allow List. 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? And if the CompAuth result is fail, these are the reasons why it could fail: 000 means the message failed DMARC with an action of reject or quarantine. 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. Here is an official document introduces aboutAnti-spoofing protection in Office 365for your X-Microsoft-Antispam: Contains additional information about bulk mail and phishing. 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. mark the replies as answers if they helped. 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. 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. 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. Spam filtering marked the message as non-spam and the message was sent to the intended recipients. I think, in your case, you've omitted the name of the server. 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

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