We help IT Professionals succeed at work.
Get Started

DMARC and SPF not protecting as expected.

202 Views
Last Modified: 2019-12-19
Is use DMARC and SPF to protect my domain, however a client recently became infected with malware and propogated the malware via spoofed email.  Now clients of mine are receiving mail addressed as me.  The question is how, what have I missed here.

Details
DMARC Record
v=DMARC1; p=none; rua=mailto:helpdesk@mydomain,mailto:7ffa0582@mxtoolbox.dmarc-report.com; ruf=mailto:My.name@mydomain,mailto:7ffa0582@forensics.dmarc-report.com; fo=1

SPF
v=spf1 +a +mx +ip4:M111.111.111.111 ~all
where
  • IP is my public IP address
  • MX is my cload spam filter provider.
Comment
Watch Question
CERTIFIED EXPERT
Top Expert 2014
Commented:
This problem has been solved!
Unlock 1 Answer and 6 Comments.
See Answer
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE