Proxmox Mail Gateway vs SpamTitan Gateway

Proxmox Mail Gateway8.7Visit SpamTitan Gateway8.6Visit

Higher score Proxmox Mail Gateway #7 in Secure Email Gateway Software 8.7/10 Open source ✓ 0 of 5 features Visit Proxmox

vs

SpamTitan Gateway #8 in Secure Email Gateway Software 8.6/10 From $1.95/user/mo (annual) ✓ 0 of 5 features Visit SpamTitan

• Proxmox Mail Gateway fits best

  Teams self-hosting an inbound and outbound mail gateway

• SpamTitan Gateway fits best

  Budget-conscious teams needing gateway threat filtering

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Side by side

Feature	Proxmox Mail Gateway 8.7/10 Visit ↗	SpamTitan Gateway 8.6/10 Visit ↗
At a glance
Editor score	8.7	8.6
Ranking	#7 in Secure Email Gateway Software	#8 in Secure Email Gateway Software
Best for	Teams self-hosting an inbound and outbound mail gateway	Budget-conscious teams needing gateway threat filtering
Pricing model	Paid	Paid
Starting price	€190/yr	$1.95/user/mo
Free plan	—	—
Free trial	—	—
Deployment	Cloud, Desktop, Self-hosted	Cloud, Self-hosted
Platforms	Web, Linux	Web
Integrations	5 integrations	4 integrations
Features Proxmox Mail Gateway 0/5 · SpamTitan Gateway 0/5
Malware sandboxing	Not checked yet	Not checked yet
Outbound DLP	Not checked yet	Not checked yet
Email encryption	Not checked yet	Not checked yet
Continuity spooling	Not checked yet	Not checked yet
Email archiving	Not checked yet	Not checked yet
Specs
Deployment	Not checked yet	Not checked yet
Our review
Pros	Scans inbound and outbound email for spam and viruses Offers configurable SMTP, content, and policy rules with quarantine Supports high-availability clustering and centralized configuration	Dual Bitdefender and ClamAV antivirus engines with attachment sandboxing Outbound scanning, routing, quarantine, and administrator/user controls Microsoft 365, Google Workspace, LDAP, and Active Directory support
Cons	Requires self-hosting between the firewall and internal mail server Annual subscriptions are priced per host, not per user Advanced impersonation protection and malware sandboxing are not verified	No free plan; annual billing is the published starting option Public price varies with mailbox count, term, payment frequency, and deployment Documented features focus on gateway email filtering rather than a broad security suite
Our verdict	Proxmox Mail Gateway is an open-source mail proxy that sits between a firewall and an internal mail server to inspect incoming and outgoing email. It is aimed at teams that want to self-host an SMTP security gateway, with deployment on… Read the review →	SpamTitan Gateway is an email security appliance from TitanHQ for businesses, IT administrators, internet service providers, and managed service providers. It filters inbound and outbound mail with multilayer spam analysis using SPF,… Read the review →

Strengths and trade-offs

• Proxmox Mail Gateway — where it wins

  • Scans inbound and outbound email for spam and viruses
  • Offers configurable SMTP, content, and policy rules with quarantine
  • Supports high-availability clustering and centralized configuration

  Where it doesn't

  • Requires self-hosting between the firewall and internal mail server
  • Annual subscriptions are priced per host, not per user
  • Advanced impersonation protection and malware sandboxing are not verified

• SpamTitan Gateway — where it wins

  • Dual Bitdefender and ClamAV antivirus engines with attachment sandboxing
  • Outbound scanning, routing, quarantine, and administrator/user controls
  • Microsoft 365, Google Workspace, LDAP, and Active Directory support

  Where it doesn't

  • No free plan; annual billing is the published starting option
  • Public price varies with mailbox count, term, payment frequency, and deployment
  • Documented features focus on gateway email filtering rather than a broad security suite

• Proxmox Mail Gateway8.7/10 · Open source

  A self-hosted SMTP gateway with broad filtering controls and annual per-host support plans.

  Visit ProxmoxFull verdict →
• SpamTitan Gateway8.6/10 · From $1.95/user/mo (annual)

  A low-cost gateway combining multilayer spam checks, dual antivirus, sandboxing, and outbound scanning.

  Visit SpamTitanFull verdict →