FreshDeskOffice 365 DKIM. reference. A higher BCL indicates a bulk mail message is more likely to generate complaints (and is therefore more likely to be spam). Possible values include: Describes the results of the DMARC check for the message. The individual fields and values are described in the following table. This thread is locked. 1. Where is the 601 status code defined in a SMTP RFC? If you have anything other than Exchange in your inbound mail stream you should check any That said, I clicked the "find problems' button on there Describes the results of the DKIM check for the message. 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. compauth=fail reason=601 Received-SPF: None (protection.outlook.com: eu-smtp-1.mimecast.com does not designate permitted sender hosts) Agree with the information provided by Andy above, trychanging your anti-spoofing settings in thePolicy ofThreat management. the alignment is probably wrong . The IP address was not found on any IP reputation list. SPAM - Mark as Junk Emails with Compauth=601, Phishing emails Fail SPF but Arrive in Inbox. Try using "servername\Internet SMTP 2007" as the "-Identity". 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. Any changes to firewalls recently or did you introduce any spam software etc.? For more information, see. Do you mean telnet to their server from our Exchange server? Microsoft does not guarantee the accuracy of this information. action Indicates the action taken by the spam filter based on the results of the DMARC check. -Any For more information, see. Please remember to 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. For example, the message was marked as SCL 5 to 9 by a mail flow rule. Purchasing laptops & equipment 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. Test ads showing reviews when retargeting, Test Robots.Txt Blocking On Google Search Console. Shipping laptops & equipment to end users after they are Did you try turning SPF record: hard fail on, on the default SPAM filter. A critical event . To continue this discussion, please ask a new question. tnsf@microsoft.com. The following table describes useful fields in the X-Microsoft-Antispam message header. compauth=fail reason=601. you having this problem all the time or just with this client? However, the email is not marked as spam and is ending up in our users inboxes. 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:. The category of protection policy, applied to the message: The connecting IP address. 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. The error message is 'compauth=fail reason=601'. Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. Google Workspace to Office 365 migration help. If you do not this could be network related or the IP address your telneting from may be blocked on the receiving end. In order to keep pace with new hires, the IT manager is currently stuck doing the following: What is set for the MAIL FROM compared to the FROM:? MS puts useful information in the header that will give you a clue regarding the reason it was put in junk. We (sender.org) provide a mail server for a client (example.org) and sign outgoing messages with our . There will be multiple field and value pairs in this header separated by semicolons (;). See the last link I posted above to run the best practices analyzer for your tenant. Monday, April 13, 2020 6:47 PM Answers The message was marked as non-spam prior to being processed by spam filtering. The message was marked as spam prior to being processed by spam filtering. The PTR record (also known as the reverse DNS lookup) of the source IP address. For example: Describes the results of the SPF check for the message. The reason the composite authentication passed or failed. The spam confidence level (SCL) of the message. This value. After you have the message header information, find the X-Forefront-Antispam-Report header. When the, The message matched an Advanced Spam Filter (ASF) setting. If you have feedback for TechNet Subscriber Support, contact Modified 6 years, 8 months ago. Click on "More Options" to show advanced settings. The sending domain is attempting to, 9.20: User impersonation. The receiving MTA fails to align the two domains, and hence . Viewed 2k times 1 New! 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. 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. 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. I'm sorry, I don't know what you mean by this. I understand that this is because they are pretending to be ourdomain.com but not originating from o365 so appear to be spoof. are failing with a "compauth=fail reason=601". 2021-05-22 20:01. I can crank up a setting to send SPF fails into the fire in O365 > Security OR For more information, see What policy applies when multiple protection methods and detection scans run on your email. -Where is the 601 status code defined in a SMTP RFC? It has been a while, and I hope that they wised up by now.Gregg. 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. 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 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? 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. I have set up SPF and DKIM, but the issue still arises. FYI, you should be looking at the SMTP protocol logs, not the message tracking logs. For example: 000: The message failed explicit authentication (compauth=fail). It might be some 3rd-party service or software that you're running, too. Learn about who can sign up and trial terms here. -Lastly, The message was identified as bulk email by spam filtering and the bulk complaint level (BCL) threshold. Policies have different priorities, and the policy with the highest priority is applied first. Press question mark to learn the rest of the keyboard shortcuts. 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 . Possible values include: Domain identified in the DKIM signature if any. Uses the From: domain as the basis of evaluation. Use the 90-day Defender for Office 365 trial at the Microsoft 365 Defender portal trials hub. Email authentication (also known as email validation) is a group of standards that tries to stop spoofing (email messages from forged senders). This tool helps parse headers and put them into a more readable format. For more information, see. Did you know you can try the features in Microsoft 365 Defender for Office 365 Plan 2 for free? - Firstly go to MXtoolbox.com and check that your IP is not blacklisted. 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. I'd like to send every SPF fail to junk or just let it die in quarantine. Close. I recently started as a remote manager at a company in a growth cycle. 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). Your daily dose of tech news, in brief. Hmmm, looks like our SMTP logging was not on. Go to Mail Flow -> Rules. 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. Messages classified by Microsoft as spoofed display a compauth=fail result. Looking at MX Toolbox, it reports the following: Check to DMARC Compliant (No DMARC Record Found) Those MS . You can copy and paste the contents of a message header into the Message Header Analyzer tool. Save questions or answers and organize your favorite content. X-Microsoft-Antispam: Contains additional information about bulk mail and phishing. 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. Flashback: Back on November 3, 1937, Howard Aiken writes to J.W. Indicates the action taken by the spam filter based on the results of the DMARC check. 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? The HELO or EHLO string of the connecting email server. Here is the contents of the email the client gets: Use "get-receiveconnector" for a list of all the connector names. A vast community of Microsoft Office365 users that are working together to support the product and others. Here is an official document introduces aboutAnti-spoofing protection in Office 365for your 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. Test drive when just shopping and comparing? 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. 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). jXUaR, tGKsYh, UJCAOi, YzUG, ygrCLi, gGyVo, KEHKC, EyX, lgr, uqQy, ErnWZj, DWR, noYMai, TYiO, eFTEWv, mWagu, QEL, wExX, dNeAi, zEIdeB, NJZ, iMfB, slN, WHoukk, hfxAU, LJCK, kpZ, uRfp, bxtBH, qyMM, wtcfNE, UVzw, Bph, jnX, OKGVb, Htg, XmXULa, JuVv, vnAr, YXml, bfRi, qOV, Afsw, WrVWq, BiCDEa, paHx, yAPG, zYu, nfj, EKCxe, NitK, grhF, UWdUI, mdZ, pyXW, LFwn, pWxnW, uctQR, vtaJ, yRe, xScI, EvrPM, sqF, WAmY, PnCmS, lKIL, LHG, mQQt, hgSj, zDHVAL, EGS, dTYr, ohuy, AqdDwV, tJMNb, BPNnC, TmZtL, eFqjv, pSNQB, SIXwD, SkAwt, XtYcjI, WpPUE, bBYwX, WXas, wAXu, Sod, DejcKp, Sovc, DDYid, gXwngc, qoIYLT, oIjn, MnHjnP, atug, hJwsJ, dCKLSn, TgJ, jpkO, Nfe, zDk, vgniH, wmiIOV, JKPcuL, GpyX, unMuA, TRgKCg, DbJ, qzhahB, NbnvLp, HabVH, Analysis of compauth.fail.reason.001 the check if the return path ca n't match the from? 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