Complex email environments demand specialist expertise.

Independent email security consulting for Proofpoint, Microsoft 365, Cisco Secure Email and beyond — helping organizations design, secure, troubleshoot and optimize their email environments with confidence.

InternetInbound email
and threats
proofpoint.Email Security
Gateway
Microsoft 365
(Exchange Online)
Cloud Email
Platform
UsersSecure business
communication
DMARC Diagnostic Illustrative Diagnostic
Domain:acmecorp.com SPF:PASSv=spf1 include:spf.protection.outlook.com ~all DKIM:PASSselector1._domainkey.acmecorp.com SPF Align:FAILsmtp.mailfrom does not align with header.from DKIM Align:FAILd= does not align with header.from DMARC:FAILp=quarantine; pct=100 Policy:Quarantine (pct 100)
FindingNeither SPF nor DKIM authentication aligns with the RFC5322.From domain. This message will not pass DMARC and may be quarantined.

Technologies we work with

Microsoft 365
DMARC
SPF
DKIM

Our Services

Specialist email security consulting services.

Practical, experience-led consulting across Proofpoint, Microsoft 365 and enterprise email security, helping you design, secure and operate reliable email environments.

01

Proofpoint Consulting

Architecture, implementation, policy optimisation, migrations and ongoing support for Proofpoint Email Security.

PROOFPOINT  •  TAP  •  TRAP  •  EFD  •  CTR
02

Microsoft 365 Email Security

Exchange Online protection, Defender for Office 365, mail-flow controls and security configuration.

EXCHANGE ONLINE  •  MDO
03

DMARC, SPF & DKIM

Authentication design, alignment analysis, remediation and enforcement planning for stronger domain protection.

SPF  →  DKIM  →  DMARC
04

Email Security Architecture

Secure mail-flow design across gateways, cloud platforms, relays and hybrid environments tailored to your organisation’s requirements.

INTERNET  →  EMAIL SECURITY  →  M365  →  USERS
05

Troubleshooting & Support

In-depth analysis and resolution of delivery failures, TLS issues, routing errors, authentication problems, filtering behaviour and policy-related issues.

SMTP  •  TLS  •  DNS  •  LOGS
06

Advisory & Best Practices

Independent technical reviews, security posture assessments and practical, prioritised roadmaps to improve your email security position.

ASSESS  →  PRIORITISE  →  IMPROVE

Helping organizations solve complex email security challenges.

Real-world experience across enterprise environments, delivering practical solutions that make email more secure, reliable and manageable.

Case study

Resolving mail flow issues after Exchange Online migration

Environment
Proofpoint → Exchange Online
Issue
Mail-routing conflict after migration
Finding
Connector configuration caused unexpected routing behavior
Resolution
Configuration updated and mail flow restored
Result
Reliable email delivery restored without data loss

Get specialist advice for your email security environment.

Whether you're planning a new deployment, troubleshooting an issue, or looking to strengthen your email security posture, we're here to help.

Discuss Your Requirement