
Cloud Email Security
Cloud-based E-mail Security Service
A cloud-based service designed to protect organizations from spam,
malware, and phishing while ensuring uninterrupted email communications.
Zyxel Cloud Email Security (CES) provides worry-free email communication
for your SMB with the best threat catch rates in the industry and “SaaS
simple” administration.
Benefits
Email protection for your company
To achieve the highest possible level of protection, Zyxel combines multiple
detection technologies that together, offer an optimum threat protection.
Anti-Malware
Industry-leading protection against “zero hour” outbreaks and known
viruses, worms, and trojans sent through email. New malware is identified
immediately when it first appears.
Anti-Phishing
Users have continuous, instant protection against compromises of their
corporate accounts by hijacked websites, “zero-hour” phishing attacks, and
fake URLs masquerading as legitimate websites.
Anti-Spam
CES anti-spam capabilities offer filtering and email categorization based
on “fingerprint” comparisons, enabling precise differentiation between
unwanted spam and legitimate bulk emails such as newsletters.
Cloud-based service and
email protection for Office
365, G Suite and on-premise
email
Stop unwanted spam,
phishing and malware with
real-time threat intelligence
No change to your existing
infrastructure, zero
maintenance
Reduce management
overhead and stop wasting IT
admin resources
Respond faster with web
management and monitoring
Datasheet Cloud Email Security

Threat intelligence powers the email security
Being a cloud service, security will always be up to date. Zyxel CES operates a comprehensive, cloud-based security threat
intelligence network that processes over 25 billion daily transactions and blocks up to 300 million threats per day on
security cloud platform.
25B
Security Transactions Daily
Same email infrastructure with more safety
Zyxel’s Cloud Email Security allows you to keep existing
infrastructure with zero maintenance. It is easy to reduce
management overhead and eliminate IT admin resources
usage, all while increasing productivity and lowering
operational costs.
300M
Blocked Threats Daily
Respond faster with web management
Zyxel’s Cloud Email Security provides complete
management dashboard for IT admins to easily monitor
and manage with real-time logging and reporting analysis
of user and mailbox behaviors to identify anomalies that
point to a possible threat.
Datasheet Cloud Email Security
2

Interface Overview
Security Dashboard
The dashboard shows the status for different time frames. You can see the statistics in numbers or as a graph. The
dashboard enables enhanced cybersecurity planning by simplifying administration and reducing management overhead.
Report -Email Summary Dashboard
Email Summary Dashboard shows an overview of email
users with a trending and detailed view of phishing and
malware threats. You can click a tile to view more details in
the report, enabling your IT professionals to take action on
high-priority security alerts.
Policy Sets
Enables you to manage how the system responds to
incoming and outgoing emails. You can set incoming mails
and attachments to reject, quarantine, deliver, tag, or
forward to IT professionals.
Audit Log
The Email Security Service maintains log records of all
transactions to enable you to view user and administrator
activity in your organization. You can search for a specific
transaction using the Filter Search.
Rule Sets
To enhance your organization’s network security with high
flexibility, you can set rules for the entire organization,
specific user groups, users, or domains.
Datasheet Cloud Email Security
3

Application Diagram
Zyxel
Cloud Email
Security
Spam
Malware
Phishing
Database
update
Internet
Anti-Malware Anti-Phishing Anti-Spam
Clean Files
User
License
Model Name Part Number Description
LIC-CES LIC-CES-ZZ0001F LIC-CES, Cloud Email Security, Standard 3 months license-5, 5 users, RoHs
LIC-CES-ZZ0002F LIC-CES, Cloud Email Security, Standard 3 months license-10, 10 users, RoHs
LIC-CES-ZZ0003F LIC-CES, Cloud Email Security, Standard 3 months license-25, 25 users, RoHs
LIC-CES-ZZ0004F LIC-CES, Cloud Email Security, Standard 3 months license-50, 50 users, RoHs
Specifications
Management, visibility & reporting
• Global cloud multi-service platform
• Web management console with role
based admin
• Granular policy management
• Personal quarantine (30 days)
• Real-time logging and reporting
• Active Directory integration sender
Inbound protection
• DDoS infrastructure protection
• Anti-spam, anti-malware,
anti-phishing
• Malware outbreak protection
• Attachment control by file type
• Forged email address detection with
SPF (security policy framework) and
DKIM (Domain keys identification
Mail)
• Support encrypted SMTP (SMTP/TLS,
SMTP/Start TLS) email scanning
For more product information, visit us on the web at www.zyxel.com
Copyright © 2021 Zyxel and/or its affiliates. All rights reserved.
All specifications are subject to change without notice.
Datasheet Cloud Email Security
02/08/21