Instead of Xeams
Xeams alternatives
Xeams can serve as a standalone mail server, protect another server as a gateway, or run in hybrid mode. It supports SMTP, POP3, and IMAP, and filters messages using sender reputation, authentication checks, content rules, Bayesian analysis, and virus checks. Its web interface provides monitoring, logs, reports, retention controls, and tiered administration. The Community Edition is free for personal hobby use up to five users; paid options include per-instance support at $300 per year and tiered per-user pricing from $1.67 per user per month annually. A new installation starts with 30 days of Enterprise Edition features.
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VM Backup
Free plan APILinuxSelf-hosted+1Windows and virtualized server backup — VM Backup protects Windows hosts and Hyper-V, VMware, and Proxmox environments rather than providing Xeams’ email server and spam filtering.
Free plan · 30-day trial Visit site - 2
Mailprotector
Free plan APIWebMSPs securing Microsoft 365 email — Mailprotector targets MSPs with email security and encryption services, while Xeams can also operate as a self-hosted mail server.
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Rspamd
Free plan Open source APILinuxMac+2Customizable, open-source email filtering — Rspamd is an open-source filtering engine with custom Lua rules and mail-server integrations, rather than Xeams’ combined server and firewall.
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Scrollout F1
Free plan LinuxSelf-hostedWindowsFree gateway protection for existing mail servers — Scrollout F1 offers a free gateway for existing servers, with unlimited domain names and email servers per installation.
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Hermes Secure Email Gateway
Free plan Open source LinuxSelf-hostedWebSelf-hosted mail, security, and collaboration — Hermes combines gateway or full-server email, end-to-end encryption, and Nextcloud collaboration in a Docker Compose stack.
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MailScanner
Free plan LinuxSelf-hostedLinux-based open-source email gateways — MailScanner is a free Linux or Unix gateway that works with tools such as ClamAV and SpamAssassin, rather than a combined mail server.
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Spamihilator
Free plan WindowsWindows users filtering POP3 or IMAP mail — Spamihilator filters incoming mail between a Windows email client and the Internet, rather than acting as Xeams’ server or gateway.
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IRONSCALES Email Protect
Free trial AndroidAPIiPhone+1 - 9
GFI MailEssentials
Free trial Self-hostedWindows - 10
Cisco Catalyst Center
Paid APILinuxMac+3 - 11
EuropeanMX
Free trial Web - 12
Libraesva Email Security
Free trial Self-hostedWeb - 13
Sublime Security
Free plan Web - 14
Abnormal Email Security
Paid APIWeb - 15
INKY Email Security
Free trial Web - 16
Darktrace / EMAIL
Paid APIWeb - 17
SpamHero Business Email Security
Free trial APIWeb - 18
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SpamTitan Gateway
Free trial Self-hostedWeb - 20
Symantec IT Management Suite
Paid APILinuxMac+3 - 21
Paubox Email Encryption
Paid Web - 22
Barracuda Message Archiver
Paid MacWebWindows - 23
Cloudflare Email Security
Paid Web - 24
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Hornetsecurity 365 Total Protection
Paid Web
Readers may look elsewhere if they need a different deployment scope, narrower platform fit, or a different pricing arrangement. Xeams runs on Linux, macOS, and Windows, as well as web and self-hosted environments, and includes outbound tools such as DKIM signing, APIs, webhooks, and email campaigns. When comparing alternatives, consider whether you need a full mail server or only a filtering gateway, which mail platforms and authentication methods matter, and whether encryption, collaboration, or managed-service delivery is a priority. Also weigh the setup and administration each option entails against Xeams’ filtering, quarantine, and outbound capabilities.