Webinar Description
Key Takeaways
- Technical webinar addressing the most common email authentication mistakes made by Managed Service Providers
- Covers SPF, DKIM and DMARC configuration errors that expose organisations to spoofing, phishing and business email compromise
- Designed for MSPs, IT consultants, email administrators and security professionals managing multiple client domains
- Explores the relationship between authentication protocols, DNS management and email deliverability
- Hosted by EasyDMARC with speakers from CyberDrain, offering practical guidance for multi-tenant environments
Introduction
Email authentication remains one of the most technically demanding responsibilities for Managed Service Providers, yet misconfiguration rates continue to be surprisingly high across the industry. A forthcoming webinar titled “The Top 5 Email Authentication Mistakes MSPs Make” addresses this gap directly, offering technical professionals a focused examination of where implementations commonly fail and how to correct them. Scheduled for 30 July 2026, the session targets MSPs, IT service providers and email security professionals who manage authentication protocols across multiple client environments.
The timing is particularly relevant as email-based threats continue to evolve in sophistication. Business email compromise attacks have become increasingly difficult to detect, while major email providers have tightened their authentication requirements for bulk senders. For MSPs juggling dozens or hundreds of client domains, even small configuration errors can cascade into significant security vulnerabilities and deliverability problems.
About This Event
This live virtual webinar is hosted by EasyDMARC and features speakers including the founder of CyberDrain, the company behind the CIPP tool widely used in the MSP community. The session takes a hands-on, technically focused approach rather than offering high-level overviews, making it suitable for practitioners who already understand the fundamentals of email authentication but want to refine their implementation practices.
The format emphasises real-world scenarios drawn from actual MSP environments, examining why certain mistakes occur repeatedly and how they can be systematically prevented. This practical orientation distinguishes the session from more theoretical treatments of email security.
Understanding SPF, DKIM and DMARC in Multi-Tenant Environments
The three core email authentication protocols—SPF, DKIM and DMARC—work together to verify that messages genuinely originate from authorised senders. SPF (Sender Policy Framework) specifies which mail servers are permitted to send email on behalf of a domain through DNS records. DKIM (DomainKeys Identified Mail) adds cryptographic signatures to messages, allowing receiving servers to verify that content has not been altered in transit. DMARC (Domain-based Message Authentication, Reporting and Conformance) builds upon both protocols, providing domain owners with policies for handling authentication failures and generating reports on email traffic.
For MSPs, the challenge lies not in understanding these protocols individually but in implementing them correctly across diverse client environments. Each client may use different email platforms, marketing automation tools, CRM systems and third-party services that send email on their behalf. Every legitimate sending source must be properly authorised in SPF records and configured for DKIM signing, while DMARC policies must be calibrated to avoid disrupting legitimate mail flows during the transition to enforcement.
The webinar examines specific configuration errors that commonly occur in these multi-tenant scenarios, where the complexity of managing numerous domains with varying requirements creates opportunities for mistakes.
The Security and Deliverability Consequences of Misconfiguration
Authentication errors create two distinct categories of problems for organisations. On the security side, improperly configured or unenforced DMARC policies leave domains vulnerable to spoofing attacks. Threat actors can send fraudulent messages that appear to originate from legitimate domains, facilitating phishing campaigns and business email compromise schemes. These attacks exploit the trust that recipients place in familiar sender addresses, making them particularly effective against employees, customers and business partners.
The deliverability consequences are equally significant, though often less immediately visible. Major email providers including Google and Microsoft have implemented increasingly strict authentication requirements. Messages that fail SPF or DKIM checks, or that originate from domains without properly configured DMARC records, face higher rates of spam folder placement or outright rejection. For organisations that depend on email for customer communications, marketing campaigns or transactional notifications, these deliverability failures translate directly into business impact.
Sender reputation compounds these effects over time. Domains with inconsistent authentication signals or histories of failed checks develop poor reputations that affect all outbound mail, creating persistent deliverability challenges that can take months to remediate.
DNS Management and the Operational Complexity for MSPs
Email authentication is fundamentally a DNS-based system, which introduces its own operational challenges for service providers. SPF records must be carefully constructed to include all legitimate sending sources without exceeding the protocol’s ten DNS lookup limit. DKIM requires the publication of public keys in DNS and coordination with mail servers to ensure proper signing. DMARC records must specify appropriate policies and reporting addresses.
For MSPs managing client domains, this often means coordinating with multiple DNS providers, navigating varying levels of client access and control, and maintaining accurate documentation of which services send email for each domain. The webinar addresses these operational realities, offering guidance on systematic approaches to DNS management that reduce the likelihood of configuration drift and oversight.
Beyond the core authentication protocols, the session also touches on related standards including BIMI (Brand Indicators for Message Identification), MTA-STS (Mail Transfer Agent Strict Transport Security) and TLS-RPT (TLS Reporting). These complementary technologies enhance email security and brand visibility but add additional layers of configuration complexity.
Who Should Attend
The webinar is designed for technical professionals with direct responsibility for email infrastructure and security. MSP owners and technical leads will find value in the strategic perspective on managing authentication across client portfolios. Email administrators and security engineers will benefit from the detailed examination of specific configuration errors and remediation approaches. IT consultants who advise clients on email security can use the session to strengthen their technical knowledge and service offerings.
The content assumes familiarity with basic email authentication concepts, making it most suitable for practitioners who have implemented SPF, DKIM or DMARC previously but want to improve their processes and avoid common pitfalls. Those entirely new to email authentication may find the pace challenging, though the focus on practical mistakes rather than abstract theory should make the material accessible to motivated learners.
Building Sustainable Authentication Practices
One of the persistent challenges with email authentication is that it requires ongoing attention rather than one-time configuration. Client environments change as new services are adopted, employees join and leave, and business requirements evolve. An SPF record that was complete and accurate six months ago may now be missing critical sending sources or include references to services no longer in use.
The webinar addresses this maintenance dimension, discussing approaches to monitoring and management that help MSPs maintain authentication integrity over time. DMARC reporting provides visibility into authentication results across all mail claiming to originate from a domain, but interpreting these reports and acting on the insights they provide requires systematic processes.
For MSPs seeking to differentiate their services and demonstrate ongoing value to clients, robust email authentication management represents an opportunity to provide measurable security improvements while supporting the deliverability that clients depend upon for their business communications.