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Questions tagged [dmarc]

DMARC, (Domain-based Message Authentication, Reporting & Conformance), is a technical specification standardizing how email receivers perform email authentication using the well-known SPF and DKIM mechanisms.

DMARC, (Domain-based Message Authentication, Reporting & Conformance), is a technical specification standardizing how email receivers perform email authentication using the well-known SPF and DKIM mechanisms.

http://www.dmarc.org/

152 questions
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OpenCart outgoing email fails DMARC Evaluation

I am supporting a site that uses OpenCart but hasn't been used in a few months. Now that the owner wants to ramp things up, naturally it's not working. According to BlueHost, the hosting system, outgoing email are being bounced back due to the…
Marty F
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DMARC settings with plesk

My domain DKIM and SPF records looks success. Authentication Report is: SPF check: pass DomainKeys check: pass DKIM check: pass Sender-ID check: pass SpamAssassin check: ham I need to DMARC configuration on Plesk panel. How can…
Darkside
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Good references on SPF, DMARC, DKIM, etc

please recommend some good source material mainly on spf but dmarc, dkim will be nice too. The information that I have found on the web so far treats the subject too generally, or are instructions on how to configure the above with a specific…
Bart
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DMARC REPORT HTML READ

I need to understand/read a dmarc report to understand as to whether my emails are being sent properly (not to receivers spam) and being received without being ignored/deleted. Any help is appreciated! Thanks, Dan The report is…
Dan Streeter
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email authentication for *@comcast.net addresses

I send out emails to a number of clients. For some reason all 12 clients that have a *@comcast.net address are having the emails go into their spam folder. I tried contacting comcast but trying to get help from them is like getting water from a…
DCR
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d_marc send my own emails in spam folders

I have a website, with a mailbox using Roundcube. This mailbox is affiliate to my domain name. I use Cloudflare on my website with a D_marc in DNS section, and this send my own emails as SPAM to anybody. I don't understand why. v=DMARC1;…
Stanislas Piotrowski
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Track emails sent with DMARC enabled

Is it possible to track which emails are / have been sent on behalf of my domain by an authorized external server via SPF? I have DMARC enabled and would like to monitor what external domains are sending, since I don't have direct access to them.
Senror Gui
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DKIM passes but SPF fails in policy_evaluated

The SPF failure is not preventing email from sending, but I'm curious if there's a way to get it to pass. Is there any scenario where an email server would reject receipt based on this DMARC record? …
dannypernik
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SPF record insecure configuration

v=spf1 include:spf.falconide.com include:sendgrid.net include:_spf.google.com ip4:xx.xxx.xxx.x ~all Above is my SPF record for my domain, I am using an external tool to get open-source threat intelligence, in the tool it says my SPF config is not…
wayne
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G Suite - 550 5.7.26 Unauthenticated email from medi.com.co is not accepted due to domain's DMARC policy

Delivery Status Notification (Failure) 550 5.7.26 Unauthenticated email from medi.com.co is not accepted due to domain's DMARC policy. Please contact the administrator of medi.com.co domain if this was a legitimate mail. Please visit…
AndyMentor
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Email "From" Field causing DMARC bounces

I am using a third party mail service to handle the contact form on my website. The To email address I'm using was recently switched to a Gmail account and Gmail's DMARC stuff is a lot more strict than my previous email provider, thus any emails…
Karai17
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I've published a DMARC record, but it's only checked sporadically

I've set up SPF, DKIM, and now DMARC (reporting only) on my site. Sometimes when my site sends me an email, I can see that my GMail inbox has evaluated SPF:Pass, DKIM:Pass, and DMARC:Pass, but sometimes I only get SPF:Pass and DKIM:Pass, with no…
Qaz
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What policy have bigger priority DMARC or SPF?

Lets provide hypothethical situation: We have configured two records: spf ~all which mean its softbounce and all mail which dont pass my spf goes to spam v=DMARC1; p=none; sp=none; So which policy have bigger priority. Does this combo mean that…
Tigran Grigoryan
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Domain Health Checker Errors

I checked my domain in mxtoolbox and found following errors/warnings: dmarc Missing or Invalid Record https The Certificate is invalid smtp Reverse DNS does not match SMTP Banner dns At least one name server failed to respond in a timely…
LifeSaver
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OpenDMARC multiple domains

I want to set OpenDMARC to support multiple domains and only show the header for the domain sending the email. Adding more than one AuthservID doesn't do it. the header shows as Authentication-Results: domain1.com; dmarc=none…
Ken Renalds
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