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Alternatives · 2026

The best Hermes Secure Email Gateway alternatives

The rest of Best Email Security Gateways, in this site's order: each with what it costs, where it runs and its record score.

1
Xeams

Xeams may suit organizations seeking a mail server and filtering gateway, including teams managing mail through a web interface.

WebWindowsMac+3 $1.67 a month, billed yearly Record6.0 Visit
2
Rspamd

Rspamd suits organizations operating their own mail systems that want gateway filtering and on-premises deployment.

WebMacLinux+2 £100 a month Record5.6 Visit
3
SpamHero Business Email Security

It suits organizations wanting cloud email filtering, quarantine management, continuity, and Microsoft 365 or Google Workspace support.

WebAPI $5 a month, billed yearly Record4.8 Visit
4
Mailprotector

Mailprotector is for managed service providers seeking email security products for client environments.

WebAPI Free plan Record4.7 Visit
5
Scrollout F1

It suits Linux and Windows administrators seeking an email security gateway for existing servers, including administrators without advanced email…

WindowsLinuxSelf-hosted Free plan Record4.7 Visit
6
IRONSCALES Email Protect

Email Protect suits organizations seeking automated email threat detection and remediation, particularly those using Microsoft 365 or Google…

AndroidiPhone & iPadWeb+1 — Record4.5 Visit
7
Spamihilator

Spamihilator may suit Windows users whose mail clients use POP3 or IMAP and who want to filter incoming spam.

Windows Free plan Record4.4 Visit
8
MailScanner

MailScanner suits administrators managing Linux or Unix-based email gateways who can install and configure server-level software.

LinuxSelf-hosted Free plan Record4.3 Visit
9 WebWindowsMac+3 — Record4.2 Visit
10
Symantec IT Management Suite

It is aimed at IT teams managing endpoint and server deployment, patching, assets, and policies across complex environments.

WebWindowsMac+3 — Record4.2 Visit
11 Web €4.95 a month Record4.0 Visit
12
INKY Email Security

It suits organizations using Microsoft 365 or Google Workspace that need phishing, malware, impersonation, and social-engineering protection.

Web — Record4.0 Visit
13 WebSelf-hosted — Record4.0 Visit
14
Sophos Secure Message

Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.

Web — Record4.0 Visit
15 WebSelf-hosted — Record4.0 Visit
16 WindowsSelf-hosted — Record3.8 Visit
17
Abnormal Email Security

Abnormal Email Security is aimed at CISOs, security leaders, and SOC teams.

WebAPI — Record3.7 Visit
18
Darktrace / EMAIL

It is intended for security teams protecting organizations against email and collaboration threats while reducing SOC investigations.

WebAPI — Record3.7 Visit
19
Paubox Email Encryption

It suits healthcare teams needing encrypted web email with Outlook or Gmail integration and administrative controls.

Web $29 a month, billed yearly Record3.7 Visit
20 WebLinux €190 a year Record3.6 Visit
21 Web Free plan Record2.9 Visit
22 WebWindowsMac — Record2.8 Visit
23 Web — Record2.5 Visit
24 Web — Record2.5 Visit