DMARC & Email Security
Stop email impersonation with Sendmarc-powered DMARC, SPF and DKIM enforcement.
DMARC implementation and email security for South African businesses — powered by Sendmarc. SPF, DKIM and DMARC enforcement from setup to full p=reject.
What's included in our DMARC & Email Security service
Everything you need from a modern dmarc & email security partner — delivered by certified engineers.
- SPF (Sender Policy Framework) configuration
- DKIM (DomainKeys Identified Mail) signing
- DMARC policy creation and phased enforcement
- Sendmarc platform deployment and monitoring
- Ongoing DMARC aggregate report analysis
- Email deliverability optimisation
- Protection against Business Email Compromise (BEC) and invoice fraud
- Domain blacklist monitoring and remediation
- Full journey from setup to p=reject enforcement
Why choose ROI Technologies for DMARC & Email Security?
Nationwide coverage
Trusted IT partner for businesses across South Africa with local on-site support.
Proactive approach
We fix problems before they hit your users — proactive monitoring, patching and reviews.
Certified engineers
Microsoft, Fortinet, Sophos and CIS-trained engineers with 20+ years' enterprise experience.
POPIA-aligned
Every engagement is designed with POPIA, cyber insurance and audit readiness in mind.
Trusted by South African businesses
"Francois Van Dyke-Geyser and the team at ROI Technologies have provided exceptional IT support for my business. They have consistently ensured that our IT infrastructure remains secure, reliable, and running smoothly, giving me complete peace of mind. What truly impressed me was when they resolved a complex DMARC issue in less than 10 minutes — something my previous IT provider had been unable to fix correctly. Their technical expertise, responsiveness, and problem-solving ability are outstanding. Beyond their technical skills, ROI Technologies operates with strong core values, professionalism, and integrity. I trust Francois and his team completely with my IT needs and would highly recommend them to any business looking for a dependable and knowledgeable IT partner."
"As a specialist dental practice we partnered with ROI Technologies for full IT support. We have been working together for years — exceptional service."
Other IT services
Cybersecurity Services
ROI Technologies delivers end-to-end cybersecurity services including EDR/XDR endpoint protection, vulnerability scanning, network security and compliance. We support SentinelOne and Sophos Intercept X for endpoint protection.
Learn moreKnowBe4 Security Awareness Training
KnowBe4 Security Awareness Training and Human Risk Management — managed by ROI Technologies for South African businesses. Simulated phishing, training modules and POPIA-aligned content.
Learn moreManaged IT Services
Fully managed IT support, proactive monitoring, helpdesk and device management for South African businesses that are serious about IT.
Learn moreNeed DMARC & Email Security?
Get a free assessment today and see how ROI Technologies can streamline your IT.
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