Best Symantec PGP Gateway Email Encryption Alternatives in 2026
Taken from Email Security Gateways, where Symantec PGP Gateway Email Encryption is listed too, in the same order.
- 1 8.5 Club score
Xeams
Xeams is an email server and spam firewall that can operate by itself, in front of another mail server, or in a hybrid setup.
- Free plan
- Windows · macOS · Linux · Web
- 2 8.2 Club score
Rspamd
Rspamd is an email security engine for filtering spam, phishing, business email compromise, and malicious attachments.
- Free plan
- Open source
- macOS · Linux · Web · API
- 3
8.2 Club scoreHermes Secure Email Gateway
Hermes Secure Email Gateway is a self-hosted Linux stack for email security, mail hosting, encryption, and collaboration.
- Free plan
- Open source
- Linux · Web · Self-hosted
- 4
7.6 Club scoreMailprotector
Mailprotector designs and supports products for securing and managing organizational email, and says its products are built exclusively for managed service providers…
- Free plan
- Web · API
- 5 7.3 Club score
Scrollout F1
Scrollout F1 is an email gateway that adds anti-spam and anti-virus protection to existing email servers.
- Free plan
- Windows · Linux · Self-hosted
- 6 7.2 Club score
Sophos Secure Message
Sophos Secure Message is part of Sophos Email, a cloud service that protects inboxes against phishing, business email compromise, spam, and email-delivered malware.
- Free trial
- Web
- 7
7.1 Club scoreIRONSCALES Email Protect
IRONSCALES Email Protect is cloud-based email security for organizations that need to detect and respond to threats across business email.
- Free trial
- Web · iPhone and iPad · Android · API
- 8 7.0 Club score
SpamHero Business Email Security
SpamHero Business Email Security is a cloud service that filters a domain’s incoming email and forwards clean messages to the customer’s mail server.
- Free trial
- Web · API
- 9
7.0 Club scoreLevelBlue AppDetectivePRO
LevelBlue AppDetectivePRO scans databases and big data stores for configuration mistakes, access control issues, missing patches, and risky settings that could lead to…
- Free trial
- Windows · Web · Self-hosted
- 10 6.9 Club score
MailScanner
MailScanner is an open-source email gateway for Linux- and Unix-based systems.
- Free plan
- Linux · Self-hosted
- 11
6.9 Club scoreINKY Email Security
INKY Email Security is a cloud platform that analyzes email for phishing, malware, impersonation, and social engineering threats.
- Free trial
- Web
- 12
6.9 Club scoreLibraesva Email Security
Libraesva Email Security provides layered, AI-driven protection against email threats for organizations.
- Free trial
- Web · Self-hosted
- 13
6.9 Club scoreSpamTitan Gateway
SpamTitan Gateway is a self-hosted anti-spam appliance for controlling mail flow and protecting networks from unwanted email and malware.
- Free trial
- Web · Self-hosted
- 14 6.9 Club score
Spamihilator
Spamihilator is a free Windows program that filters incoming unsolicited email between the Internet and an email client.
- Free plan
- Windows
- 15
6.8 Club scoreEuropeanMX
EuropeanMX is a cloud email security gateway that filters incoming and outgoing mail for spam, malware, and phishing.
- Free trial
- Web
- 16 6.7 Club score
Mimecast Data Leak Prevention
Mimecast Data Leak Prevention is a cloud-based service for preventing accidental and malicious leaks of sensitive information through email.
- Web
- 17 6.4 Club score
GFI MailEssentials
GFI MailEssentials is an anti-spam and email-security solution for on-premise mail servers.
- Free trial
- Windows · Self-hosted
- 18
6.4 Club scoreDarktrace / EMAIL
Darktrace / EMAIL is a cloud email-security product that uses behavioral AI to identify and stop phishing, business email compromise, impersonation and social…
- Web · API
- 19
6.3 Club scoreAbnormal Email Security
Abnormal Email Security is a cloud service that uses behavioral AI to detect business email compromise, vendor fraud, account takeover, and AI-generated attacks.
- Web · API
- 20
6.3 Club scoreSublime Security
- Free plan
- Web