Top 10 Kaspersky Security for Mail Server Alternatives

Microsoft Defender for Office 365 is a comprehensive security solution designed to protect organizations against advanced threats in their email, collaboration, and productivity environments. It combines the power of Microsoft's threat intelligence, machine learning, and behavioral analytics to provide real-time protection against phishing, malware, ransomware, and other malicious attacks.

Cisco Secure Email is an email security solution that provides advanced protection to safeguard inboxes. The solution includes comprehensive defense from the most damaging threats so your employees and organization can remain secure at all times. In addition, it includes advanced threat defense capabilities that detect, block, and remediate threats in incoming email faster. Simultaneously, it protects an organization’s brand, prevents data loss, and secures important information in transit with end-to-end encryption.

Microsoft Exchange Online Protection (EOP) is a comprehensive email filtering and security service designed to protect organizations from spam, malware, and other email-based threats. It provides advanced threat protection, anti-malware and anti-spam filtering, and data loss prevention capabilities.

With EOP, organizations can ensure the security and integrity of their email communications. It uses multiple layers of filtering and scanning to detect and block malicious content, including phishing attempts, viruses, and ransomware. EOP also leverages machine learning and artificial intelligence to continuously improve its threat detection capabilities.

In addition to its robust security features, EOP offers advanced anti-spam filtering to reduce unwanted and unsolicited emails. It uses a combination of reputation-based filtering, content filtering, and sender authentication techniques to identify and block spam messages.

EOP also includes data loss prevention (DLP) capabilities to prevent sensitive information from being leaked or shared inappropriately. It allows organizations to define policies to detect and prevent the transmission of sensitive data, such as credit card numbers or social security numbers, via email.

Furthermore, EOP integrates seamlessly with Microsoft Exchange Online and other Office 365 services, providing a unified and integrated email security solution. It can be easily managed through the Exchange admin center, allowing administrators to configure and monitor security settings, review reports, and manage quarantined emails.

As cyber attacks become more sophisticated, it is crucial for email security solutions to offer multi-layered protection. Fortinet's proven email security platform, FortiMail, is a comprehensive multi-layered threat protection solution designed to secure users from the full spectrum of email-based threats, which includes zero-day threats, credential impersonation, spam, phishing, malware, and business email compromise (BEC) attacks.

Mimecast Email Security is a comprehensive solution designed to safeguard organizations against advanced email threats. With an array of advanced security features, it provides robust protection against phishing attacks, malware, ransomware, and other targeted threats.

Barracuda Email Security Gateway is a robust security solution that allows users to protect themselves from external threats as well as from potential data leaks. It can be managed and monitored from a centralized location. Users can efficiently and easily keep track of every aspect of their security suite all at one time. Customized protections can also be set up in a matter of minutes.

Check Point Harmony Email and Office is a cloud-based software offering complete protection to stop malware attacks through emails. The software is designed to provide protection for organizations using Office 365, G Suite, Google Workspace, and all other collaboration and file-sharing apps. Access permissions can be granted and custom policies can be defined for any user of choice.

Avanan is a comprehensive cloud security platform that protects organizations from advanced email and collaboration threats. With its multi-layered approach, Avanan provides real-time protection against phishing, malware, data leakage, and account takeover attacks. 

Sophos Email is a comprehensive email security solution designed to protect organizations from advanced threats and data loss. It offers robust protection against malware, phishing attacks, and spam, ensuring that only legitimate emails reach users' inboxes. 

The popularity of Microsoft 365 means criminals test and design their attacks to bypass its native security features. And that means you need additional layers of defense. With Advanced Threat Protection enabled, Barracuda uses multiple layers of detection, including signature, static, and behavioral analysis, along with CPU-emulation sandboxing to accurately detect and block zero-hour targeted attacks and ransomware.