Spf and dkim pass but dmarc fails As per DMARC specs, you need either SPF or DKIM to pass authentication. A pass for either of the two is enough to confirm this. Improve this question. Does it mean that enforcing SPF, DKIM and DMARC will disable the possibility to use a mailing list like google groups ? As I don't have any contact at google I don't know what they tried to do. DMARC compares the RFC5322. You can choose to set one of the two DMARC alignment modes in your DMARC records for SPF and DKIM- Relaxed mode (represented by ‘r’) OR Strict mode (represented by ‘s’). com, so DMARC fails. DMARC result: DMARC RR found for sending domain. One important detail about DMARC: you don’t need to pass both SPF and DKIM to pass DMARC. com does not. Ask Question Asked 6 months ago. I get a periodic mail setup report from Google DMARC support group. If they were attempted spammers trying to use my domain then they should not pass the DKIM. Viewed 477 times where checking DKIM/SPF/DMARC can be done if they are supported & configured. 3. Interpreting a DMARC report that seems to have conflicting data. com with http; Thu, 23 Apr 2020 16:14:40 +0000 X-Apparently-To: <actual_address_removed>@aol. 2) We also pass DMARC/ DKIM tests on other sites. If I can prove the breach wasn't my end this may help me recoup some of the money I have lost. 63</source_ip>” portion, it shows SPF and DKIM as So we tweaked and adjusted Dkim and Dmarc, now all records show passed within Gmail, yet still flags as spam. This allows Salesforce to sign outbound emails sent on your company’s behalf. To rectify this, simply publish a valid SPF record on your domain: How to Add SPF Record in GoDaddy: GoDaddy SPF Setup Guide; How to Add SPF Record in Cloudflare: Cloudflare SPF Setup Guide As per Microsoft, emails that failed and reflected a ‘000’ reason are the ones whose SPF and/or DKIM checks pass but DMARC fails. In summary: your DMARC policies adkim (DKIM alignment) & aspf (SPF alignment) dictate whether these should be FQDN matches (strict mode), or just domain matches (relaxed mode). "spf=pass," for example, means the email did not fail SPF; it came from an authorized server with an IP address that is listed in the The link provided by @henry is a good explanation of identifier alignment. When I test it by sending to dkimvalidator. This is happening despite the IP address shown in the “IP” column being directly included in my SPF record (It’s a dedicated IP from AWS). if you have set the fo field in the dmarc record it will modify this. From While reviewing my results from Google. DMARC fails since the sender domain according to the From field of the mail header is different to the sender domain in the SMTP envelope (SPF validation) and different I have a feeling, it's failing on your ADKIM and ASPF Tests of DMARC. Recievers are permitted to process the message as they see fit, and may reject a message on an spf fail (with a reject mechanism "-"), but provding the standard is implemented in full and DKIM passes, with the default fo setting of 0, the To resolve this issue, you should immediately opt for full DMARC compliance at your organization by aligning and authenticating all outgoing messages against both SPF and DKIM. mail. **. Ultimate disposition based on above: Rejected because of DKIM check fail; alignment check fail. Short answer: No, DMARC fails if and only if:. Please see the test bellow: SPF check 1 SPF record found for the domain rexobit. So if that passes, The policy_evaluated section is referring to the alignment checks against the DMARC record. Both SPF and DKIM generate their Authenticated Identifier. 0 Checking SPF, DKIM, DMARC programmatically. mailfrom address, and the RFC5322. Use DKIM to avoid SPF fail for forwarded emails ; Use DMARC and DKIM, so that even if SPF fails and DKIM passes, DMARC will pass ; Enable DMARC reporting to monitor SPF failures and causes ; Email authentication failures are never good news for your domain’s reputation and credibility. google. Wait, but aren’t SPF and DKIM already used to protect email? The SPF and DKIM mechanisms both work to protect against unauthorized use. Here is a typical DMARC aggregate report that shows failing. I've recently set up DMARC and am receiving reports from Google such as the one below (as you can see Amazon SES sends our emails). How do SPF, DKIM, and DMARC work together to secure emails? You already know that email authentication is no I’ve read sean’s response to the post “Unknown Sources but DKIM and SPF Pass. 175 by atlas111. If your DMARC aggregate report says “SPF alignment failed” let’s discuss what it means to have your SPF in alignment and how you can resolve this issue. I understand that the SPF fails because the IP address is not ours but if so, how come DKIM passes? < Under the basic assumptions underpinning DMARC, nobody should be able to pass either a DKIM or SPF test as your domain, unless the mail is coming from a server you control. 0-87. Under the “<source_ip>149. I'm struggling to understand that in the <auth_results> section it shows both dkim and spf as pass, but then says spf fail in the <policy_evaluated> section. 31. gq1. IP and Domain not in any blacklist. However, if the email domain has a DMARC policy, then either SPF or DKIM must not only pass, but also be in alignment, as defined by DMARC. FROM. It looks like these may have been rejections of legitimate emails I sent, but I'm not sure how to read this file. ) It looks like we are still having issues with Yahoo. This email passed DKIM authentication and alignment, passed SPF authentication but failed alignment. SPF checks whether the host delivering a message is allowed to send mail with that sender Most likely, the messages that are failing SPF but passing DKIM (signature valid and aligned) are messages that have been forwarded. We have successfully configured SPF and DKIM for use my our own domain, however DMARC is still failing. How DMARC helps SPF and DKIM : As previously described, SPF makes no attempt to match the domain in MAIL FROM domain and From addresses. com and from = domain. 2nd Yahoo! Inc. It's set up now and the DMARC reports are a mixture of pass and fail. DMARC works by summarizing the results of both the SPF and DKIM checks, and it will provide a final result in the form of something like “dmarc=pass” for policy compliance. Their response to my question was as For instance, if DKIM and Domain alignment for DKIM are correct, but SPF Fails. My domain is running SPF/DMARC but not DKIM. Within a DMARC report, why would there be a <spf>fail</spf> at the <policy_evaluated> level and in the same record have a <auth_results> deliver a <spf> result of <result>pass</result>?Is there some additional analysis after the policy is evaluated (which results in a fail) that ends up approving the email spf? In addition to an SPF record, we also encourage customers to implement the DomainKeys Identified Mail (DKIM) feature. 72. I hope this has helped, and I will SPF result: pass: pass: SPF found and SPF check for the sender at [my-IP-Address] passed. In strict mode, only an exact DNS domain match is considered to produce Identifier Alignment. com has proper alignment, but return_path = domain_2. Stack Overflow. DMARC gives you control over how your domain’s emails are handled. From domain must have the same Organizational Domain. com and DKIM with amazonses. com. DMARC is like a security guard for your emails. For DKIM, the alignment is between the header. The funny thing is that the SPF “Raw” column shows as “pass”. 1. For SPF, the alignment is between the domain in the RFC5321. d=mysolicitor (i have removed the actual name for privacy reason). So make sure it’s ready. com); The appearance of the word "pass" in the text above indicates that the email has passed an authentication check. Also teste Skip to main content. Matching the “body from” domain name with the “d=domain name” in the DKIM signature. We use Google Bringing It All Together With DMARC. com An end-to-end SPF/DKIM/DMARC wizard. Our SPF record is pretty basic (we include a third-party billing service and _spf. Mails Going to Are you sure it's passing both authentication and alignment? It can pass authentication, but fail DMARC alignment requirement with the RFC5322. Based on the alignment rules, it is possible that SPF and DKIM authentication themselves pass, but DMARC fails because the domains are not matching as per the policy defined by you. Some time back, well before spf, dkim and dmarc it was suggested to have two IP's to not end up in spam. 1. Only after that the message is handled by any internal rules for accepted messages (put into a mailbox, forwarded, I have their DMARC set to “p=none” until I can get this issue resolved. _domainkey. com dkim=pass dkdomain=example. DMARC will pass for the message if either SPF or DKIM passes for the email. 5. do not match your example. 4. Your Domain is Being Spoofed SPF and DKIM pass, but DMARC fails for source_ip. DMARC fail (Identifier Alignment) Once SPF and/or DKIM pass(es), the cause of a DMARC fail can be found in the concept of Identifier Alignment. To get detailed steps for setting up SPF and DKIM, go to Help prevent spoofing, phishing & spam. Return-Path header) matches the set-out SPF record for the domain in that header. Both SPF and DKIM provide pass and fail results but don't provide any indication of what to do with messages that fail. Does DMARC is considered a pass or a fail? In short, DMARC will pass if either SPF OR DKIM checks AND be aligned with the domain in the Header. Follow edited Jan 26 at 15:27. In either case if it was correctly DKIM If an email passes DKIM, DMARC will pass it even if it fails SPF. In relaxed mode, the [SPF]-authenticated domain and RFC5322. SPF is for limiting the servers that can send as your domain; DKIM is a newer alternative SPF + DKIM pass and DMARC fails. If you set up DMARC without SPF, it's like the security guard is missing one of its tools. Hot Network Questions What symmetry is this patterned octahedron? SPF:PASS with IP 5. Please review the available Sendgrid documentation with regards to DMARC, SPF, and DKIM and ensure your domain authentication configuration is complete. If you have configured DMARC and aligned emails against both SPF and DKIM mechanisms, you need to pass only one of the checks (either SPF or DKIM) to pass DMARC. Relaxed mode is the default for both. SPF and DKIM should be enabled for at least 48 hours before enabling DMARC. DKIM: Certifies the message content (and selected headers), using an asymmetric key signature. . From domain is example. Hi All, I’ve spent what seems like a century configuring our email to be compliant with all of our domains, DMARC, DKIM, etc and even starting using Dmarcian to monitor and align our policies. From contact[at]mywebsite[dot]fr and no-reply[at]mywebsite[dot]fr, all the tests I ran are good : SPF + DKIM pass and DMARC fails. mailfrom(vendor address) and header addresses (our address) do not match, and the DKIM d parameter is the vendors domain. I believe it is because the mailed-by and signed-by domains do not match. I have tested it from MX Toolbox. If neither of He gives me SPF: PASS with IP 31. EM0. #1 Set up SPF and DKIM authentication for DMARC compliance. 0 Why does my dmarc report show <spf>fail</spf> even though the spf entry says <result>pass</result>? Load 5 more related questions Show fewer related questions Hi, We are seeing DMARC Failure reports from LinkedIn when they receive an Automatic Reply from an Office 365 user. recorded a dkim fail, and on Sep 7th a dkim pass (but without notation of the dkim result. DMARC behaviour on Gmail. security: The image is not visible due to forum settings. 232. While the SPF and DKIM pass, the DMARC fails. So if you are sending from a server that complies with DKIM, and you have DMARC set up, don’t be surprised if emails that you’d expect to fail make it to the inbox If DKIM, SPF, or DMARC fail authentication tests, For an email to pass DMARC using SPF, the email must successfully pass the SPF check, and the domain in the "Return-Path" must align with the domain in the "From" header. Mostly pass, but sometimes fail - sometimes for the same <dkim>fail</dkim> <spf>fail</spf> which i’m assuming is bad because it says fail. You can take it for a spin here: End-to-end SPF/DKIM/DMARC wizard. We’re a small company and set up SPF, DKIM, and DMARC for the first time about six months ago. It seems to fail DKIM and therefore DMARC but if I turn on Automatic Replies and send a test from an external sender such as Gmail, I can’t replicate the issue. If you provide the "Authentication-Results" header(s) from A DMARC fail happens when a message does not pass SPF or DKIM tests that are used to check the envelope and header information respectively and further does not match the domain stated in the ‘From’ field according to the DMARC policy, resulting in either rejection or quarantining of the email based on the policy in use. Plus, my sources are neither unknown nor are they exotic: one is Google (googlegroups dot com) and the other is the “lists” subdomain of a well known university we are close to. What's even greater than the above very actionable steps, I have implemented an end-to-end SPF/DKIM/DMARC wizard. This wizard will tour your through every step toward a complete email authentication deployment, including SPF, DKIM, and DMARC. FROM address. I would expect it not to be counted because your SPF uses a default ?all mechanism, which is about equivalent to not having an SPF record at all, plus your DMARC record says p=none, so you're asking Make sure you've set up SPF and DKIM for your domain. com : "v=spf1 a mx a:rexobit. domain. To pass DMARC, a message must pass SPF authentication and pass SPF alignment and/or pass DKIM authentication and pass DKIM alignment. (Forwarded messages will fail SPF, DMARC does not test if SPF or DKIM has passed, but one of them must both pass and be aligned with the domain used in the From: header. test system since November 2012, approaching 4 years as of the date of publication of this document. If DMARC fails, it indicates that the email I've got spf set up, but dmarc still fails. If your DMARC report says that SPF or DKIM alignment has failed for your emails even though you've properly authenticated your domain with Zoho Campaigns, read the information below to Why passing and aligning both SPF and DKIM are vital to achieving full DMARC Compliance. I am trying to get the DKIM and SPF settings correct for a client who uses both GSuite and WordPress to send her emails. Just recently we started getting intermittent SPF fails reported in the DMARC aggregate reports (reports are almost all from google, we are not a large volume sender). I do not understand the fail results in the following google DMARC report to our domain. Fails DMARC authentication for both DKIM and SPF for mydomain; Here is a sample headers from an invite. About; Products OverflowAI; SPF = Hotmail : Pass / Gmail : Fail. But, because of SPF limitations as discussed above, any sources that rely only on SPF, and are DKIM neutral will instantly fail DMARC checks when forwarded. Learn why SPF/DKIM can pass, while DMARC fails. If you set up a relaxed policy, you'll be fine if they match partially (domain-subdomain). Here, SPF passed with eu-central Always at least start with reporting only, p=none, at least until you’re sure all your mail stream are passing either SPF or DKIM and there’s domain alignment. a sending host of mailer. com and the SPF-authenticated domain is mail. SPF, DKIM and therefore DMARC all ‘PASS’. How can this be since the info of the composite authentication says: Combines 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. signed-by:xxxxx. com ~all) and our DMARC policy is relaxed and set to quarantine. Hello! We are testing as part of our preparation to being using CC to communicate with our customer base. This seems related to: Why is DMARC failing when SPF and DKIM are passing? Since DMARC will pass if either SPF or DKIM passes a valid and aligned DKIM signature will make the non-aligned SPF irrelevant. Modified 6 years, 2 not your domain). 5. 2 SPF-Authenticated Identifiers (emphasis is mine):. com I noticed a bunch of SPF and DKIM fails. Relevant documentation can be found here I think the issue is with your DNS entriy for the DKIM key. If you had p=quarantine or p=reject, the action would only be taken if BOTH SPF & DKIM failed or were unaligned with I would check if the return_path shares the same domain the from address. Next, DMARC checks whether from my uderstanding of the RFC this should be default behaviour. Ideally both spf A DMARC fail can happen even when SPF and DKIM pass! Learn what Identifier Alignment is and how it prevents email spoofing. 5 SPF, DKIM and DMARC all set but dmarc-reports keep saying the opposite. They do not match, so alignment failed. UPDATE 4: On Sep. Setting up DMARC and DKIM for subdomains not hosted on the same server as the main domain. com domain. If you don't set up SPF and DKIM before enabling DMARC, messages sent from your domain will probably have delivery issues. And I added this spf that was Understanding DMARC report - DKIM pass on SPF fail. Why?” but I still don’t understand. 138 Learn more DKIM: 'FAIL' with domain theopgate. However, if your DMARC alignment only relies on DKIM authentication, DMARC will fail and so will DKIM. Identifier Alignment makes sure the domains that are authenticated by SPF and DKIM match the From: header. A DMARC check includes SPF and DKIM alignment. Can DMARC pass if DKIM doesn’t? Yes, provided that SPF passes for the email. For DKIM alignment to pass the domain specified in DKIM's d= attribute must match the domain in the header from and the DKIM signature must be valid. DKIM result: pass: DKIM key with selector "[my-selector]" found and successfully validated DKIM signature. In your report, we can see that the RFC5322. 224. I set spf, dkim and dmarc entries in dns zones for both of domains. Some more details around DMARC failures and the protocol in general: I'm trying to get a better grasp on SPF/DKIM/DMARC - however, I'm at a bit of a loss. What should my next steps be? Your current DMARC policy is v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; The p=none; means you are asking the receiver to take no action despite a DMARC alignment fails, but only report it back to you. I added a google domain key v=DKIM1. (e. 2. If an email doesn’t pass either the SPF or DKIM tests, DMARC dictates whether the If you have set up a custom mail domain in your Amazon SES account, you should be able to also pass DMARC with SPF. example. Here, SPF passed with eu-central-1. Relaxed in DMARC doesn't mean completely liberated, but has limitations. com Learn more DMARC: 'PASS' Learn more I don't know why, and this is the DNS record for my domain enter image description here I use webuzo control panel Hostinger My domain. Thus there is no way to force DMARC to require both pass, and there should be no reason to do so. com it reports "result = pass" for DKIM (and for SPF). e. If your address is in the header you get the DMARC reports but if it wasn't your domain in the envelope you may see SPF results for whatever domain was. 212. SPF or SPF Alignment has failed, and; DKIM or DKIM Alignment has failed; If only one of them fails and the other passes, DMARC will pass. Common causes of DMARC fails include SPF or DKIM alignment issues, misconfigured DKIM signatures, missing DNS entries for authorized senders, email forwarding complications, and domain spoofing attacks. As long as one is valid (which means alignment is required for SPF to pass DMARC), your DMARC is good. First off, what I'm basing my thinking off of: SPF: Certifies the sender path (i. Ask Question Asked 6 years, 10 months ago. DMARC:'PASS' mailed-by:xxxxx. DMARC often fails when SPF and DKIM "pass", but don't "align", that is, for both SPF and DKIM you may be authenticating for Sendgrid, instead of for the johnplumbing. From RFC 7489, 3. Technically, you can, but it's not a good idea. If one fails and SPF none is treated as fail in DMARC: the SPF authentication check fails. DMARC, defined in RFC 7489, allows the owner of a domain to publish instructions on what should be done with messages based on the results. It uses two tools, SPF and DKIM, to check if an email is really from you. From domain with the SPF-authenticated domain. I’m at the point where everything is perfectly aligned and appears to work exceptionally well with stopping spoofing and phishing emails. Standard encryption (TLS) Learn more. Read this to understand more SPF and DKIM are completely different mechanisms which can fail independently. If SPF and DKIM passes, then it must be failing on both alignment tests. de. SPF and DKIM pass but DMARC fails and the email is put into an administrative hold that only I can release. Hi all, I’m in the process of trying to figure out how a spoofed email passed DMARC. DKIM:'PASS' with domain xxxxx. FROM header. In this case, there are three main ways that might help you fix a DMARC failure. We are testing as part of our preparation to being using CC to communicate with our customer base. They offer scope for email providers and recipients to authenticate mail sources and defend against spoofing and phishing attacks. When I contacted Microsoft about validation of SPF and DKIM, in their reply they seemed to only address the SPF validation. aol. However, looking at the raw message it seems to have passed SPF, DKIM and DMARC checks. 253. asked Jan 26 at 11:09. Solution was to change the Return-Path as suggested. I found this Failed SPF authentication for Exchange Online - Microsoft Community. We have been accumulating statistics on the disposition of every message A message will fail DMARC if it fails both SPF and DKIM. The root cause of this tension is the inherent nature of email forwarding that passes emails through intermediary servers before they get delivered, potentially leading to issues in SPF, DKIM, and DMARC alignment. from=*****. 220. DKIM combines a public DNS record with a private key that's handled by your email server. Looking at the headers it says the following: dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header. 0. com> Authentication-Results: Learn how SPF, DKIM, and DMARC work together to protect your DMARC adds a crucial policy layer that instructs receiving mail servers on what to do if an email fails these checks. The results in this section communicate the results of the DMARC SPF and DKIM alignment checks, which are different from the SPF and If Google's email server determined that SPF, DKIM, or DMARC validation failed it would look at the policy published in Apple's DNS server and take that action. I believe it is because the mailed-by DMARC fail might occur even if you take steps to avoid these failures from happening. 159. d (d=) tag and the RFC5322. com; Thu, 23 Apr 2020 16:14:40 +0000 Return-Path: <01000171a7d1cd9d-a4da0317-f2e3-43a7-b5bc-94eff7eaf009-000000@amazonses. But with DMARC as long as SPF or DKIM Alignment passes you should pass. I'm not sure why that SPF check is failing since the IP it is reporting for is included in the mailjet SPF, which covers 87. Table 6-6: SPF versus DKIM Pass/Fail Analysis These SPF, DKIM and DMARC modules have been working in the Pythentic. com - a domain the spammers likely don't control? 2) Is there anything else in the message header/body which would conclusively determine the email to be Hi there, A lot of our incoming emails that are spam/phishing attempts, after analyzing the header in the email, it seems since they pass the SPF validation check, they make it past the spam filter. This is altogether different from authentication, which can still pass even if alignment is off. Related read: Email forwarding and DMARC. If an email fails both the SPF and DKIM checks, it also fails the DMARC check. com; fo=1; adkim=r; aspf=r; (when I set the p to quarantine everything went to spam). SPF (sender policy framework) is a part of email authentication that helps in preventing spam. 255 in its first subnet. com; spf=pass; dkim=pass; dmarc=fail; (in message received @gmail). It suggests that a data center migration could be causing an issue. DMARC only cares if SPF OR DKIM pass. rexobit. return_path = bounce. info In genuine emails, the dkim pass shows a different signature: dkim=pass (signature was verified) header. Also, when I send an email Hi all, I have a email where DMARC, DKIM, SPF are marked as None, but still Composite authentication as passed. I can see In the email header that the SMTP. 239. If the SPF is still continuing to not align, then I would check the header and see if aspf = s or r. gov (policy=quarantine); DMARC also specifies the action that the destination email system should take on messages that fail DMARC, and identifies where to send DMARC results (both pass and fail). To protect your domain and online identity from fraudsters trying to SPF and DMARC are simple DNS records. 12. 1) How did a spam email manage to pass SPF, DKIM and DMARC using a source domain as popular as uber. The thing is, though, that they work in isolation. xxxx. As I understand it emails from my server should only come from my static IP (which i have a SPF record for). dkim; dmarc; Share. As far as I know, my DKIM/SPF setup is as expected for my mail server. tld with a DKIM or SPF I'm getting an SPF Authentication Failed for IP - 2603:1096:820:5c::8, and a DKIM Signature Body Hash verification failure. However, from what I’ve 2. I recommend using r which allows . This means if DKIM authentication fails too, it fails the final DMARC authentication. A I was seeing exactly this, showing up as Authentication-Results: mx. amazonses. Keep in mind, though, that if you forward a message, only the DKIM stays aligned. They are not aligned with i. It is here that authentication protocols like SPF, DKIM, and DMARC come in, as they fill the gaps left by SMTP. I assume because of that It is failing. d=clinicaser. theopgate. The aspf tag is used to indicate whether the DMARC SPF alignment test should be strict (s) or relaxed (r), with relaxed being the default. A message will fail DMARC if the message fails both (1) SPF or SPF alignment and (2) DKIM or DKIM alignment. At DMARCReport, our team of SPF fail - dkim=pass (signature was verified) header. com ip4:194. The tug-of-war between email forwarding and DMARC implementation is, undeniably, an ongoing challenge. Here's a good article that explains Identifier Alignments Yes, you can set up DMARC without DKIM and have only DMARC and SPF in the equation. Postmaster SPF FAILing/Email headers show PASS. Here are a few of the results, note the It authenticates if either SPF, DKIM, or both the alignment checks pass. I added this dmarc: v=DMARC1; p=none; rua=mailto:l***@*****ney. Can anyone tell me why I’m receiving this and how to fix this if it’s a problem please? DMARC failed, but SPF pass. Modified 6 months ago. You hid the DKIM-Signature, so it's hard to tell if you're out of alignment on both counts. Some messages pass DKIM and are DKIM aligned (and thus pass DMARC), but come from an IP address I was not expecting (and are failing SPF). We pass DANE tests which even google do not support arc=pass (i=1 spf=pass spfdomain=example. 246 ~all" DKIM check No DNS record found for 4040. Because of this, DMARC does not test if SPF or DKIM has passed, but one of them must both pass and be aligned with the domain used in the From: header. In this case, DKIM check always fails and DMARC authentication result is up to SPF check and SPF identifier alignment, which X-Atlas-Received: from 10. g. This morning I received DMARC feedback reporting a dkim and spf failure for mails apparently emitted by IPs owned by google. yahoo. com Postmaster: DMARC PASS, DKIM PASS, SPF FAIL, on postmaster. I am not sure if this is still so. (And first discovered I had a problem through the Postmark DMARC tool -- thanks for that!) – That fail pertains to the alignment of the envelope sender domain and the header from domain. com dmarc=pass fromdomain=example. ysc olbctx uqrmek ilgn owpaggo kiu mwmskwve msme czzl pulehxu