Mail Server Security
Protect Your Most Vulnerable Attack Vector
Complete, multilayered protection for endpoints, cloud applications & email, the #1 threat vector.
Status: Included
All-in-one prevention, detection & response combining enterprise-grade XDR with complete multilayered protection.
Status: Included
Superior protection with continuous threat hunting and monitoring via 24/7 managed detection & response.
Status: Included
Continuous protection for your evolving IT environment, with premium cyber risk management and 24/7 ESET expertise on call.
Status: Included
Best-in-class endpoint protection against ransomware & zero-day threats, backed by powerful data security.
Status: Not Included
Multilayered email protection with zero-day threat defense – Console, Advanced Threat Defense, and Mail Server Security.
Status: Standalone Bundle
Not sure which option is right for you? Ask us
Why do customers appreciate our mail security solution?
Award-winning protection for the most vulnerable attack vector in your organization – email.
ESET features a true 64-bit product that allows for clustering to ensure that speed is never a concern for organizations of any size.
ESET Mail Security uses in-house developed anti-spam, anti-phishing and host server protection, combining artificial intelligence, big data and human expertise into one award-winning mail security platform.
Protect your file servers on multiple OSes and platforms including Windows Server, Microsoft 365, OneDrive and Linux.
Common use cases
See how ESET Mail Security addresses the threats that arrive through your inbox every day.
Ransomware?
Ransomware tends to enter unsuspecting users' mailboxes through email.
Phishing?
Users are constantly targeted via phishing campaigns that may contain other malicious components.
SPAM?
A single user will not be efficient due to having to sift through whether emails are legitimate or not.
ESET Mail Security
An additional layer of security designed to stop threats before they ever reach your users.
Provides an additional layer of security to organizations who want to stop threats from ever reaching their users – thanks to:
- Anti-spam
- Anti-phishing
- Anti-malware
- Optional Cloud Sandbox analysis
- Comprehensive mail server protection
- Protection of the host server
Explore ESET Mail Security features
A closer look at how ESET Mail Security filters, scans, and protects your mail environment.
Web Control
Allows you to block inappropriate, harmful and productivity-reducing websites, ensuring consistent policies across all endpoints and servers.
Note: Included in ESET PROTECT Entry and above tiers.Server host firewall
Keeps all communications on your Windows server under control by enabling the ESET Server Security firewall, specifically tailored for server environments.
Note: Feature available in ESET PROTECT Entry and higher.Anti-phishing
Prevents users from accessing phishing websites by filtering emails with malicious links. It can detect links with homoglyphs encoded in Punycode, where letters are swapped with similar-looking deceptive ones from different alphabets to impersonate well-known brands.
Vulnerability & Patch Management
Extends Vulnerability & Patch Management capabilities to servers. Fully manageable via the ESET PROTECT Platform, this functionality reduces the attack surface by actively tracking vulnerabilities in operating systems and common applications, enabling efficient patching.
Microsoft 365 mailbox scan
Enables businesses with a hybrid Exchange environment to scan Microsoft 365 remote mailboxes and public folders, similar to a traditional mailbox database scan. Also supports scanning remote mailboxes outside of the hybrid setup without requiring a connection to the local Active Directory.
Web-based quarantine
Emails are automatically provided to users about their spam emails that were quarantined.
System requirements
Supported operating systems and mail server versions for ESET Mail Security.
Supported operating systems
- Microsoft Windows Server 2025, 2022, 2019, 2016, 2012 R2
- Microsoft Small Business Server 2011
Supported mail servers
- Microsoft Exchange Server 2019 (up to CU15)
- Microsoft Exchange Server 2016 (up to CU23)
- Microsoft Exchange Server 2013 (up to CU23; CU1 and CU4 not supported)
- Microsoft Exchange Server 2010 SP3 (up to RU32)
Compatible with the ESET PROTECT console. Exact features and functionality may vary depending on the server version used.
Documentation
Download the full ESET Mail Security overview or read it inline below.
Complete, multilayered protection for endpoints, cloud applications & email, the #1 threat vector.
Status: Included
All-in-one prevention, detection & response combining enterprise-grade XDR with complete multilayered protection.
Status: Included
Superior protection with continuous threat hunting and monitoring via 24/7 managed detection & response.
Status: Included
Continuous protection for your evolving IT environment, with premium cyber risk management and 24/7 ESET expertise on call.
Status: Included
Best-in-class endpoint protection against ransomware & zero-day threats, backed by powerful data security.
Status: Not Included
Multilayered email protection with zero-day threat defense – Console, Advanced Threat Defense, and Mail Server Security.
Status: Standalone Bundle