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Best Secure Email Gateway Software with On-prem deployment Capabilities

Benefits of Secure Email Gateway Software with On-prem deployment capabilities include: Supports on-premises deployments of secure email gateways, which requires a company to maintain their own hardware. This is different than Cloud Email Security software which protects cloud-based email environments and do not require on-premises hardware installations.
Below are the top-rated Secure Email Gateway Software with On-prem deployment capabilities, as verified by G2’s Research team. Real users have identified On-prem deployment as an important function of Secure Email Gateway Software. Compare different products that offer this feature so you can decide which is best for your business needs.
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G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our scoring methodologies.

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5 Listings in Secure Email Gateway Available
(37)4.2 out of 5
4th Easiest To Use in Secure Email Gateway software
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  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Sophos Email is ideal if you want an appliance dedicated to message security with advanced DLP and easy policy-based encryption.

    Users
    No information available
    Industries
    • Information Technology and Services
    Market Segment
    • 51% Small-Business
    • 35% Mid-Market
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • Sophos Email Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Phishing Protection
    8
    Spam Blocking
    7
    Ease of Management
    4
    Ease of Use
    4
    Features
    4
    Cons
    Email Issues
    6
    Difficult Learning Curve
    2
    Inadequate Reporting
    2
    Ineffective Detection
    2
    Difficult Setup
    1
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Sophos Email features and usability ratings that predict user satisfaction
    9.0
    Advanced Threat Intelligence/Protection
    Average: 8.9
    8.7
    Filtering Functionality
    Average: 8.9
    8.4
    Has the product been a good partner in doing business?
    Average: 8.8
    9.5
    Quarantine
    Average: 8.9
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Sophos
    Year Founded
    1985
    HQ Location
    Oxfordshire
    Twitter
    @Sophos
    36,800 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    5,464 employees on LinkedIn®
    Ownership
    LSE:SOPH
Product Description
How are these determined?Information
This description is provided by the seller.

Sophos Email is ideal if you want an appliance dedicated to message security with advanced DLP and easy policy-based encryption.

Users
No information available
Industries
  • Information Technology and Services
Market Segment
  • 51% Small-Business
  • 35% Mid-Market
Sophos Email Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Phishing Protection
8
Spam Blocking
7
Ease of Management
4
Ease of Use
4
Features
4
Cons
Email Issues
6
Difficult Learning Curve
2
Inadequate Reporting
2
Ineffective Detection
2
Difficult Setup
1
Sophos Email features and usability ratings that predict user satisfaction
9.0
Advanced Threat Intelligence/Protection
Average: 8.9
8.7
Filtering Functionality
Average: 8.9
8.4
Has the product been a good partner in doing business?
Average: 8.8
9.5
Quarantine
Average: 8.9
Seller Details
Seller
Sophos
Year Founded
1985
HQ Location
Oxfordshire
Twitter
@Sophos
36,800 Twitter followers
LinkedIn® Page
www.linkedin.com
5,464 employees on LinkedIn®
Ownership
LSE:SOPH
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    FortiMail is a comprehensive email security solution with all-in-one inbound and outbound protection.

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 73% Mid-Market
    • 18% Enterprise
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • FortiMail Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Detection Efficiency
    1
    Easy Integrations
    1
    Effective
    1
    Email Security
    1
    Integration Compatibility
    1
    Cons
    Configuration Difficulties
    1
    Difficult Setup
    1
    Inadequate Reporting
    1
    Limited Reporting
    1
    Outdated Interface
    1
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • FortiMail features and usability ratings that predict user satisfaction
    8.5
    Advanced Threat Intelligence/Protection
    Average: 8.9
    8.3
    Filtering Functionality
    Average: 8.9
    9.1
    Has the product been a good partner in doing business?
    Average: 8.8
    9.0
    Quarantine
    Average: 8.9
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Fortinet
    Year Founded
    2000
    HQ Location
    Sunnyvale, CA
    Twitter
    @Fortinet
    151,447 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    15,738 employees on LinkedIn®
    Ownership
    NASDAQ: FTNT
Product Description
How are these determined?Information
This description is provided by the seller.

FortiMail is a comprehensive email security solution with all-in-one inbound and outbound protection.

Users
No information available
Industries
No information available
Market Segment
  • 73% Mid-Market
  • 18% Enterprise
FortiMail Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Detection Efficiency
1
Easy Integrations
1
Effective
1
Email Security
1
Integration Compatibility
1
Cons
Configuration Difficulties
1
Difficult Setup
1
Inadequate Reporting
1
Limited Reporting
1
Outdated Interface
1
FortiMail features and usability ratings that predict user satisfaction
8.5
Advanced Threat Intelligence/Protection
Average: 8.9
8.3
Filtering Functionality
Average: 8.9
9.1
Has the product been a good partner in doing business?
Average: 8.8
9.0
Quarantine
Average: 8.9
Seller Details
Seller
Fortinet
Year Founded
2000
HQ Location
Sunnyvale, CA
Twitter
@Fortinet
151,447 Twitter followers
LinkedIn® Page
www.linkedin.com
15,738 employees on LinkedIn®
Ownership
NASDAQ: FTNT

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(28)4.3 out of 5
15th Easiest To Use in Secure Email Gateway software
View top Consulting Services for Cisco Secure Email Threat Defense
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  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.

    Users
    No information available
    Industries
    • Information Technology and Services
    Market Segment
    • 50% Mid-Market
    • 32% Enterprise
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Cisco Secure Email Threat Defense features and usability ratings that predict user satisfaction
    9.3
    Advanced Threat Intelligence/Protection
    Average: 8.9
    10.0
    Filtering Functionality
    Average: 8.9
    9.6
    Has the product been a good partner in doing business?
    Average: 8.8
    9.7
    Quarantine
    Average: 8.9
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Cisco
    Year Founded
    1984
    HQ Location
    San Jose, CA
    Twitter
    @Cisco
    721,895 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    95,148 employees on LinkedIn®
    Ownership
    NASDAQ:CSCO
Product Description
How are these determined?Information
This description is provided by the seller.

Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.

Users
No information available
Industries
  • Information Technology and Services
Market Segment
  • 50% Mid-Market
  • 32% Enterprise
Cisco Secure Email Threat Defense features and usability ratings that predict user satisfaction
9.3
Advanced Threat Intelligence/Protection
Average: 8.9
10.0
Filtering Functionality
Average: 8.9
9.6
Has the product been a good partner in doing business?
Average: 8.8
9.7
Quarantine
Average: 8.9
Seller Details
Seller
Cisco
Year Founded
1984
HQ Location
San Jose, CA
Twitter
@Cisco
721,895 Twitter followers
LinkedIn® Page
www.linkedin.com
95,148 employees on LinkedIn®
Ownership
NASDAQ:CSCO
(198)4.5 out of 5
6th Easiest To Use in Secure Email Gateway software
Save to My Lists
Entry Level Price:Starting at $2.14
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    SpamTitan Email Security identifies and prevents email spam, viruses via email, malware, malicious links, phishing attacks, spoofing and other email borne malicious threats. We provide advanced email

    Users
    • IT Manager
    • CEO
    Industries
    • Information Technology and Services
    • Construction
    Market Segment
    • 53% Small-Business
    • 44% Mid-Market
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • SpamTitan Email Security Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Customer Support
    1
    Ease of Use
    1
    Cons
    This product has not yet received any negative sentiments.
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • SpamTitan Email Security features and usability ratings that predict user satisfaction
    9.4
    Advanced Threat Intelligence/Protection
    Average: 8.9
    9.8
    Filtering Functionality
    Average: 8.9
    9.2
    Has the product been a good partner in doing business?
    Average: 8.8
    9.4
    Quarantine
    Average: 8.9
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2025
    HQ Location
    Galway ,Galway
    Twitter
    @Redstor
    1,988 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    161 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

SpamTitan Email Security identifies and prevents email spam, viruses via email, malware, malicious links, phishing attacks, spoofing and other email borne malicious threats. We provide advanced email

Users
  • IT Manager
  • CEO
Industries
  • Information Technology and Services
  • Construction
Market Segment
  • 53% Small-Business
  • 44% Mid-Market
SpamTitan Email Security Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Customer Support
1
Ease of Use
1
Cons
This product has not yet received any negative sentiments.
SpamTitan Email Security features and usability ratings that predict user satisfaction
9.4
Advanced Threat Intelligence/Protection
Average: 8.9
9.8
Filtering Functionality
Average: 8.9
9.2
Has the product been a good partner in doing business?
Average: 8.8
9.4
Quarantine
Average: 8.9
Seller Details
Year Founded
2025
HQ Location
Galway ,Galway
Twitter
@Redstor
1,988 Twitter followers
LinkedIn® Page
www.linkedin.com
161 employees on LinkedIn®
(35)4.6 out of 5
Optimized for quick response
10th Easiest To Use in Secure Email Gateway software
Save to My Lists
Entry Level Price:Starting at $0.70
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    SecurityGateway™ protects all email platforms, including Microsoft Exchange, Microsoft 365, and others. Let our team of email security experts take the headache out of managing your company's email se

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 51% Small-Business
    • 31% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Security Gateway features and usability ratings that predict user satisfaction
    8.8
    Advanced Threat Intelligence/Protection
    Average: 8.9
    8.8
    Filtering Functionality
    Average: 8.9
    9.4
    Has the product been a good partner in doing business?
    Average: 8.8
    8.8
    Quarantine
    Average: 8.9
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Company Website
    Year Founded
    1996
    HQ Location
    Grapevine, TX
    Twitter
    @MDaemon_Email
    648 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    32 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

SecurityGateway™ protects all email platforms, including Microsoft Exchange, Microsoft 365, and others. Let our team of email security experts take the headache out of managing your company's email se

Users
No information available
Industries
No information available
Market Segment
  • 51% Small-Business
  • 31% Mid-Market
Security Gateway features and usability ratings that predict user satisfaction
8.8
Advanced Threat Intelligence/Protection
Average: 8.9
8.8
Filtering Functionality
Average: 8.9
9.4
Has the product been a good partner in doing business?
Average: 8.8
8.8
Quarantine
Average: 8.9
Seller Details
Company Website
Year Founded
1996
HQ Location
Grapevine, TX
Twitter
@MDaemon_Email
648 Twitter followers
LinkedIn® Page
www.linkedin.com
32 employees on LinkedIn®