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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/

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Google accepts emails, but other hosts do not

I made an email server using hmailserver. I use roundcube webmail, but that's not the point. The problem is that I set up dkim, dmarc and spf and gmail accepts emails but other email hosts don't. The records at my domain provider currently look like…
Balaton Dávid
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Gsuite Email - Why is my SPF is softfail and DMARC fail?

I am using PHPMailer on GoDaddy to send the email from the GSuite domain email. I did all the configurations according to the Google docs and verified the google._domainkey also, $mail->IsSMTP(); $mail->CharSet = "UTF-8"; …
user18139150
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What's the best way to scale millions of DNS queries.. (Python)

Consequently, I initially intended to write this in Python, but I am completely open to writing it in any language. I'm working with the Alexa top 1 million right now, and I want to find out how many of these domains have DMARC enabled. To obtain…
PrettyNewbieAtThis
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DMARC failing when MFA email from Okta being sent through SendGrid

I'm quite new to this so please excuse my ignorance, but I've been trying to enable DMARC on our domain but am encountering "fails" when I enable the TXT rule on our DNS. For context, an MFA verification email is sent from Okta, through SendGrid to…
JayMan
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DMARC fails using custom domain with Sendy, messages marked as spam

I use Sendy in a custom domain. So far, so good: validated the custom domain via email in Sendy and I can send messages. But it fails to pass DMARC, which triggers this horrendous message in Proton, Gmail, plus send messages to spam folder. Here's a…
Rodrigo G.
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SQL query, counting IP-Adress (Grafana, DMARC)

Maybe this question exists, but I couldt find it so you can also just link me to a similar question. My problem: I have a database and wand to visualize it with Grafana. In Grafana you have the option to create a query in SQL notation. In my case I…
Lveriq
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Checking if SPF, DKIM, and DMARC are set correctly

I have a mock domain name: dev.chacchan.ml I've configured SPF and DKIM to ensure nobody can use my SMTP credential to send mail outside SES This is my DNS config: How can I send mail from outside SES to validate my configures are working correctly…
Nguyen Lam
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Missing values on dmarc test : ruf & rua

I was testing my DMARC on gmass.co and i got some messing values. it's about the ruf & rua. I would like to know if this is someting important to add ? DMARC Record Found: v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 Tag…
OUED
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Mail setup - DKIM passes and fails in the same report

I get a periodic mail setup report from Google DMARC support group. As far as I know, my DKIM/SPF setup is as expected for my mail server. I have tested it from MX Toolbox. Also, when I send an email from my mail server to my gmail account, I see no…
Peter
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Gmail Spam Issue - How to properly setup DKIM & DMARC

I've created an automated script that generates a custom HTML email using PHPMailer within PHP and sends it, from my custom domain email account, to whatever recipient. The emails are all litmus tested and render perfectly in all clients, hold no…
DevelJoe
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DMARC compliance for an entire data center full of servers

We're in the midst of a project to make all of our mail sources, including third parties that send on our behalf, DMARC compliant. We've run into a snag, namely an entire data center full of servers that send mail (usually just status updates or…
Stephen Jarjoura
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DKIM validation warning when sending e-mail from Sendgrid API

I've bought a domain and I'm hosting Cloudflare as my DNS host. I mainly use this domain for sending emails. I use Google workspace for receiving and sending emails, but I also use the Sendgrid API to send one automatic email a day from a simple…
Gil
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How to set up SPF, DKIM and DMARC when using a different email provider?

I have a domain, let's say, example.com hosted on a provider (fast comet). The A record points to a specific and external IP where a website is hosted and the MX record points to an external email provider (it points to example.com.mx.one.com). The…
ana.arede
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DMARC Report: Why would SPF 'fail' at the policy level but then 'pass' at the auth_results level?

Within a DMARC report, why would there be a fail at the level and in the same record have a deliver a result of pass? Is there some additional analysis after the policy is evaluated…
ND_Coder
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Email sent using SES going to spam folder when display name is used

I just started using AWS SES to send emails from my application. I verified my domain in the SES dashboard, and the test emails worked fine. I'm using the .Net SDK to make API calls through SendEmail. When I set the "source" attribute to…
Josy Sclei
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