Best Email Security Software for Windows

Guardz is the unified cybersecurity platform purpose-built for MSPs. We consolidate the essential security controls, including identities, endpoints, email, awareness, and more, into one AI-native framework designed for operational efficiency. Our identity-centric approach connects the dots across vectors, reducing the gaps that siloed tools leave behind so MSPs can see, understand, and act on user risk in real time. Backed by an elite research and threat hunting team, Guardz strengthens detection across environments, turning signals into actionable insights. With 24/7 AI + human-led MDR, Guardz utilizes agentic AI to triage at machine speed while expert analysts validate, mitigate, and guide response, giving MSPs scalable protection without adding headcount. Our mission is simple: give MSPs the scale, confidence, and clarity they need to stay ahead of attackers and deliver protection to every SMB they serve.

Cynet empowers MSPs and MSSPs with a comprehensive, fully managed cybersecurity platform that consolidates essential security functions into a single, easy-to-use solution. Cynet simplifies cybersecurity management, reduces operational overhead, and lowers costs by eliminating the need for multiple vendors and complex integrations. The platform provides multi-layered breach protection, offering robust security for endpoints, networks, and SaaS/Cloud environments. Cynet’s advanced automation streamlines incident response, ensuring rapid detection, prevention, and resolution of threats. Additionally, the platform is backed by Cynet’s 24/7 Security Operations Center (SOC), where the expert CyOps team delivers around-the-clock monitoring and support to safeguard all client environments. By partnering with Cynet, You can offer your clients advanced, proactive cybersecurity services while optimizing efficiency. Discover how Cynet can transform your security offerings today.

SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.

BooleBox is a content security platform that maintains clients data integrity and confidentiality from unauthorized access while ensuring the highest level of encryption to protect sensitive data from attacks. Thanks to an advanced encryption system and various security settings, users can finally create, edit, share and classify files and folders, without compromising the usability. With boolebox solutions, we protect your data wherever it is, at work, in the cloud, in transit via e-mail, in shared projects, and in the most commonly used platforms, such as Windows, Outlook, Gmail, OneDrive, and SharePoint. We understand your potential digital vulnerabilities, and we protect them like no one else can because our protection is the bodyguard of your data. It never abandons it and follows it everywhere! We protect large amounts of data in different types of business sectors. We have been doing this every day since 2011.

RevBits Email Security is a next-generation email security solution that aims to close major gaps in the current marketplace. Leveraging sophisticated and unique algorithms such as a patented page impersonation detection methodology, Revbits Email Security achieves the deepest level of email analysis. For every email, RevBits Email Security displays a composite, probabilistic score of each email's risk level paired with full details for continuing user education. RevBits Email Security enhances Email Security Architecture RevBits Email Security enhances email security by detecting and blocking sophisticated malicious emails that get past the outer layers of an organization's email security stack. With RevBits Email Security, organizations can protect the last point of email interaction – the employee endpoint.

SecurityHQ is a world leading independent Managed Security Service Provider (MSSP), that detects, and responds to threats, instantly. As your security partner, we alert and act on threats for you. Gain access to an army of analysts that work with you, as an extension of your team, 24/7, 365 days a year. Receive tailored advice and full visibility to ensure peace of mind, with our Global Security Operation Centres. Utilize our award-winning security solutions, knowledge, people, and process capabilities, to accelerate business and reduce risk and overall security costs. Most Popular Services: Managed Detection and Response (MDR) Endpoint Detection and Response (EDR) Managed Extended Detection and Response (XDR) Vulnerability Management Services Managed Firewall Digital Forensics & Incident Response Managed Network Detection and Response (NDR) Penetration Testing CISO as a Service