Apache SpamAssassin vs SpamBrella

Apache SpamAssassin8.8Visit SpamBrella8.5Visit

Higher score Apache SpamAssassin #2 in Anti-spam Software 8.8/10 Open source ✓ 1 of 5 features Visit SpamAssassin

vs

SpamBrella #5 in Anti-spam Software 8.5/10 Pricing on request · 30-day trial Free trial✓ 5 of 5 features Visit SpamBrella

• Apache SpamAssassin fits best

  Teams comfortable managing open-source mail filtering

• SpamBrella fits best

  Teams needing filtering plus continuity and archiving

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Side by side

Feature	Apache SpamAssassin 8.8/10 Visit ↗	SpamBrella 8.5/10 Visit ↗
At a glance
Editor score	8.8	8.5
Ranking	#2 in Anti-spam Software	#5 in Anti-spam Software
Best for	Teams comfortable managing open-source mail filtering	Teams needing filtering plus continuity and archiving
Pricing model	Free	Paid
Starting price	Open source	Pricing on request · 30-day trial
Free plan	Not checked yet	—
Free trial	—	30 days
Deployment	Self-hosted	Cloud
Support	Community, Docs	Email, Phone, Tickets, Docs · 24/7
Integrations	4 integrations	6 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Apache SpamAssassin 1/5 · SpamBrella 5/5
Phishing protection	Not checked yet	✓ (best)
Malware scanning	✓	✓
Quarantine controls	Not checked yet	✓ (best)
API access	Not checked yet	✓ (best)
Email continuity	Not checked yet	✓ (best)
Specs
Deployment	Not checked yet	Cloud
Users included	Not checked yet	Not checked yet
Our review
Pros	Bayesian, heuristic, DNS blocklist, and collaborative filtering checks Phishing URI, macro, exploit, executable, and attachment detection Integrates with procmail, sendmail, Postfix, and qmail	AI phishing detection includes scan-time and click-time URL defense Continuity adds emergency inbox, failover, spooling and 30-day replay Supports Microsoft 365, Google Workspace and a REST administration API
Cons	Requires self-hosted deployment and administrator operation Rule and policy configuration demands mail-system expertise Community and documentation support rather than vendor-managed service	Pricing requires contacting sales or a partner No perpetual free plan; access is through a 30-day trial Cloud deployment may not suit teams seeking another deployment model
Our verdict	Apache SpamAssassin is an open-source email filtering platform for system administrators who need to classify and tag unsolicited bulk email. It applies heuristic and statistical tests to message headers, body text, and selected MIME… Read the review →	SpamBrella is a cloud-based email security service for organizations and managed service providers that need to filter inbound and outbound mail. It covers spam, bulk mail, malware, phishing, spoofing and impersonation, with configurable… Read the review →

Strengths and trade-offs

• Apache SpamAssassin — where it wins

  • Bayesian, heuristic, DNS blocklist, and collaborative filtering checks
  • Phishing URI, macro, exploit, executable, and attachment detection
  • Integrates with procmail, sendmail, Postfix, and qmail

  Where it doesn't

  • Requires self-hosted deployment and administrator operation
  • Rule and policy configuration demands mail-system expertise
  • Community and documentation support rather than vendor-managed service

• SpamBrella — where it wins

  • AI phishing detection includes scan-time and click-time URL defense
  • Continuity adds emergency inbox, failover, spooling and 30-day replay
  • Supports Microsoft 365, Google Workspace and a REST administration API

  Where it doesn't

  • Pricing requires contacting sales or a partner
  • No perpetual free plan; access is through a 30-day trial
  • Cloud deployment may not suit teams seeking another deployment model

• Apache SpamAssassin8.8/10 · Open source

  A configurable, self-hosted filter for teams managing their own mail infrastructure.

  Visit SpamAssassinFull verdict →
• SpamBrella8.5/10 · Pricing on request · 30-day trial

  Cloud filtering pairs threat defense with continuity, replay and archiving.

  Visit SpamBrellaFull verdict →