Secure Email Gateway Software

Best Secure Email Gateway Software include:

Proofpoint Email Protection, Mimecast Secure Email Gateway, Microsoft Exchange, Proofpoint Targeted Attack Protection for Email, and Barracuda Email Security Gateway.

Secure Email Gateway Software TrustMap

TrustMaps are two-dimensional charts that compare products based on trScore and research frequency by prospective buyers. Products must have 10 or more ratings to appear on this TrustMap.

Secure Email Gateway Software Overview

What is Secure Email Gateway Software?

Secure email gateway software prevents the transmission of malicious emails that violate company policy or contain malware social engineering attacks, spam or other unwanted emails designed to inflict damage. In this way, Secure Email Gateway software is like a firewall for your email. All these tools prevent attacks from reaching their intended recipients, but some also provide data loss prevention designed to prevent leakage of sensitive information in outbound emails.


Businesses use secure email gateway software to protect their system from attack, and to lessen opportunities for user error with social engineering attack. There are many different ways of deploying email gateway software. Some software products are installed directly on the email server, while others are provided as a hardware appliance or virtual hardware appliance. Many secure email gateway products are available as public cloud services.

Secure Email Gateway Features & Capabilities

Important features include:

  • Data loss protection

  • Email management via real-time dashboards etc.

  • Anti-malware

  • Threat protection

  • Ease of management

  • Customizability

  • Sandboxing to help identify risks

  • End-to-end encryption

Pricing Information

Costs vary widely depending on the type of product selected. Public cloud services usually charge a per email fee or other usage fee. Appliance gateways typically charge a flat fee for the appliance plus a subscription fee covering the costs of intelligence information updates. Advanced features like email encryption usually incur additional fees.


Secure Email Gateway Comparison

  1. Messaging Protection: All secure email gateway software protects businesses from malicious emails, but many secure email gateway options also integrate with messaging servers to protect from social engineering attacks there as well. Consider if your business needs messaging protection when purchasing secure email gateway software.
  2. Archiving: Many secure email gateway software options include archiving features users can use to store important emails. When purchasing a secure email gateway software, consider the storage needs of your organization and select a software that can meet your storage needs.
  3. Reporting Features: Some secure email gateway software includes analytics and reporting features on what sorts of emails users are sending and receiving. If you are looking for analytics features, be sure to choose a secure email gateway software that includes them.

Secure Email Gateway Products

(1-25 of 56) Sorted by Most Reviews

Zix
138 ratings
107 reviews
Top Rated
With organizations facing new and unprecedented challenges, the need for a secure modern workplace has never been greater. As companies seek to achieve more with less and keep their increasingly remote workforces productive, they also face an array of evolving security and compliance needs. The Zi…
Proofpoint Email Protection
160 ratings
92 reviews
Top Rated
Proofpoint Email Protection is available as an on-premise or cloud based solution and blocks unwanted, malicious and impostor emails with granular search capabilities and visibility into all messages. Outbound controls include encryption and data loss prevention, while continuity capabilities ensure…
Microsoft Exchange
473 ratings
45 reviews
Top Rated
Microsoft Exchange is a secure email / messaging gateway with file archiving and encryption / data loss capability, available as a hosted service (Exchange Online) or installed (Exchange Server).
Proofpoint Targeted Attack Protection for Email
55 ratings
37 reviews
Top Rated
Proofpoint Targeted Attack Protection (TAP) helps organizations efficiently detect, mitigate and respond to known and unknown advanced threats that target people and VIPs through email. TAP provides unparalleled effectiveness in stopping targeted attacks that use polymorphic malware, weaponized docu…
Mimecast Secure Email Gateway
39 ratings
21 reviews
Top Rated
The Mimecast Secure Email Gateway is a messaging security option with anti-spam / anti-malware, data loss prevention, large file send, and other features, from UK company Mimecast.
Barracuda Email Security Gateway
38 ratings
17 reviews
Top Rated
Barracuda Email Security Gateway is designed to protect against inbound malware, spam, phishing, and Denial of Service attacks, and ensure that business productivity isn’t impacted by attacks through the email system.
Trend Micro Smart Protection Suite, with XGen
10 ratings
8 reviews
Trend Micro offers the Smart Protection Suite with XGen, an endpoint security suite including data loss prevention and mobile device protection. The Smart Prtection Endpoint Suite is the basic edition. The Smart Protection Complete Suite also includes a message security gateway for specific applicat…
AppRiver
11 ratings
7 reviews
AppRiver, now from Zix (acquired January 2019), is a hosted messaging gateway and security platform featuring anti-spam and email encryption / data loss capability.
Sophos Secure Email Gateways
11 ratings
5 reviews
Multi-national UK headquartered company Sophos offers their line of secure email gateways and email appliances.
FortiMail
9 ratings
5 reviews
FortiMail is an email messaging security platform, from Fortinet headquartered in Sunnyvale, California.
Symantec Email Security.cloud
13 ratings
4 reviews
Symantec Email Security.cloud filters unwanted messages and protects users from targeted attacks. The service has self- learning capabilities and Symantec intelligence to deliver highly effective and accurate email security. Encryption and data loss prevention help you control sensitive data. It sup…
Cisco Cloud Email Security
10 ratings
4 reviews
Cisco's Cloud Email Security platform is a secure email gateway.
SolarWinds Mail Assure
3 ratings
3 reviews
SolarWinds offers Mail Assure, a cloud-based email security solution designed to help customers stay in control and protect their inbound and outbound email using collective threat intelligence, 24/7 email continuity, and long-term email archiving.
FireEye Security Suite
20 ratings
3 reviews
FireEye, from the company of the same name in Milpitas, California, offers the FireEye Security Suite, a threat detection and antivirus application encompassing FireEye Email Security, FireEye Network security, and FireEye Endpoint Security. Finally, the Suite includes FireEye Helix as a security op…
Trend Micro InterScan Messaging Security
6 ratings
2 reviews
Trend Micro offers the InterScan Messaging Security secure email gateway with anti-spam, advanced threat & data loss prevention, and encryption capability.
Forcepoint Email Security
10 ratings
2 reviews
Websense's Triton AP-Email is a messaging security platform and module extension of the Triton platform.
FireEye Email Security
4 ratings
2 reviews
FireEye Email Security is a secure email gateway for businesses.
Proofpoint Information Protection
7 ratings
2 reviews
Proofpoint's Enterprise Privacy platform includes supports messaging security with data loss prevention and email encryption.
SonicWall Email Security Series Appliances
6 ratings
2 reviews
SonicWall Email Security Series Appliances are appliance-based line of messaging security products.
EdgeWave ePrism Email Security
2 ratings
1 reviews
EdgeWave headquartered in San Diego, California offers ePrism Email Security, a messaging security platform featuring continuous web mail access, data loss prevention, encryption, archiving, and anti-spam / anti-malware capability.
Proofpoint Essentials for Small Business
1 ratings
1 reviews
Proofpoint Essentials provides protection against spam, phishing and other email threats, as well as social media protection, user roles and restrictions, and other protections oriented around the needs of small business.
Axway MailGate SC
1 ratings
1 reviews
Axway MailGate SC is an email security product.
Trustwave Secure Email Gateway
1 ratings
1 reviews
Chicago-based Trustwave offers their Secure Email Gateway for messaging security.
Imprivata Cortext
1 ratings
1 reviews
Imprivata Cortext is a messaging security system that is HIPAA compliant and oriented towards the needs of those in the healthcare industry.
Barracuda Essentials
3 ratings
1 reviews
Barracuda Essentials is an email security platform designed to protect users and businesses from volumetric threats like malware and spam, as well advanced threats like targeted spear phishing and ransomware, and provides email archiving and data protection from corruption and deletion with cloud ba…

Frequently Asked Questions

What types of attacks do secure email gateway solutions address?

Almost all secure email gateway solutions cover social engineering attacks. Additionally, most secure email gateway software includes malware detection in attachments and spam detection.

Do secure email gateway solutions include email encryption?

Some secure email gateway software offers encryption, though pricing depends on the volume of emails your organization spends. Businesses can expect to pay more for this feature.

Are there free or open source secure email gateway options?

There are some free and open source secure email gateways. Many leading products offer free versions with limited features, while open source options provide their entire source code for free but lack vendor support.