The PTR record (also known as the reverse DNS lookup) of the source IP address. For example, the message was marked as SCL -1 or. Monday, April 13, 2020 6:47 PM Answers . Learn more. DKIM failure when signing with different domain - header.d ignored. I understand that this is because they are pretending to be ourdomain.com but not originating from o365 so appear to be spoof. If you have feedback for TechNet Subscriber Support, contact 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. Flashback: Back on November 3, 1937, Howard Aiken writes to J.W. To continue this discussion, please ask a new question. The results of email authentication checks for SPF, DKIM, and DMARC are recorded (stamped) in the Authentication-results message header in inbound messages. Modified 6 years, 8 months ago. For example, the message received a DMARC fail with an action of quarantine or reject. You can use this IP address in the IP Allow List or the IP Block List. You can copy and paste the contents of a message header into the Message Header Analyzer tool. log files they produce, too. For information about how to view an email message header in various email clients, see View internet message headers in Outlook. 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. Other fields in this header are used exclusively by the Microsoft anti-spam team for diagnostic purposes. Possible values include: Domain identified in the DKIM signature if any. I left google now its going away here to!? Can you post the relevant headers including the authentication headers ? Whitelisting the messages as sent from your domain and from the allowed IPs, that would be a pretty solid rule. For more information, see. Do you mean telnet to their server from our Exchange server? The message was marked as non-spam prior to being processed by spam filtering. Do suggestions above help? For example: 000: The message failed explicit authentication (compauth=fail). However, the email is not marked as spam and is ending up in our users inboxes. 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). Filtering was skipped and the message was allowed because it was sent from an address in a user's Safe Senders list. Name the rule. (e.g d=domain.gappssmtp.com for Google & d=domain.onmicrosoft.com for Office365) - The default signing is NOT your 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. 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. Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. OR SPAM - Mark as Junk Emails with Compauth=601, Phishing emails Fail SPF but Arrive in Inbox. The error message is 'compauth=fail reason=601'. Test ads showing reviews when retargeting, Test Robots.Txt Blocking On Google Search Console. 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. Messages classified by Microsoft as spoofed display a compauth=fail result. 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. 601 is a generic error message. (ie, not whitelisting ourdomain.com) I've whitelisted the campaign monitor domains, but they are still going to Junk. -Where is the 601 status code defined in a SMTP RFC? 2021-05-22 20:01. 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. Authentication-results: Contains information about SPF, DKIM, and DMARC (email authentication) results. A vast community of Microsoft Office365 users that are working together to support the product and others. For example: Composite authentication result. 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 . X-Microsoft-Antispam: Contains additional information about bulk mail and phishing. 001: The message failed implicit authentication (compauth=fail). FYI, you should be looking at the SMTP protocol logs, not the message tracking logs. 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). 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. Also, since the SENDER is reporting the error they should be able to tell you which MTA it was that sent that status code. Anti-phishing policies look for lookalike domains and senders, whereas anti-spoofing is more concerned with domain authentication (SPF, DMARC, and DKIM). Bryce (IBM) about building a "Giant Brain," which they eventually did (Read more HERE.) mark the replies as answers if they helped. 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. Firstly go to MXtoolbox.com and check that your IP is not blacklisted. & Compliance > Threat Management > Policy > Anti-spam > Spoof intelligence If you send from multiple IP addresses and domains, the compauth and reason values may differ from one campaign to another. Welcome to the Snap! It might be theirs. Google Workspace to Office 365 migration help. 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. 1. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. In research, we seem to be passing most spam tests. 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 . For more information, see. Press question mark to learn the rest of the keyboard shortcuts. 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. are failing with a "compauth=fail reason=601". you having this problem all the time or just with this client? 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. The message was identified as bulk email by spam filtering and the bulk complaint level (BCL) threshold. ; email; microsoft-office-365; exchangeonline; spam-marked; email : EFilteredAsspam. This thread is locked. (scrubbed of the actual domain). Did you know you can try the features in Microsoft 365 Defender for Office 365 Plan 2 for free? Thank you so much. reference. The error message is 'compauth=fail reason=601'. 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 . Do not add to the domain safelist in the anti-spam policy however, thats a bad idea. 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. compauth=fail reason=601. For more information, see. 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. Return-Pathsupport@mail.example.jpsupport. The category of protection policy, applied to the message: The connecting IP address. 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. Purchasing laptops & equipment Possible values include: 9.19: Domain impersonation. Have the sending organization check their side for problems. Please remember to Here is the contents of the email the client gets: Use "get-receiveconnector" for a list of all the connector names. - Firstly go to MXtoolbox.com and check that your IP is not blacklisted. 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 reason the composite authentication passed or failed. The individual fields and values are described in the following table. A higher value indicates the message is more likely to be spam. 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? For example, the message was marked as SCL 5 to 9 by a mail flow rule. If your server rejects a message it won't show up in the message tracking logs. instructions were from last week, so that may be why they are already out of 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. A higher BCL indicates a bulk mail message is more likely to generate complaints (and is therefore more likely to be spam). However, the email is not marked as spam and is ending up in our users inboxes. DKIM. The value is a 3-digit code. Learn about who can sign up and trial terms here. The spam confidence level (SCL) of the message. 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. Does anyone know if there are any free training anywhere ? 001: the connecting IP address in the message was marked as non-spam prior to being processed by spam and... 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