MX Guarddog vs Rspamd

MX Guarddog8.7Visit Rspamd7.9Visit

Higher score MX Guarddog #3 in Email Anti-Spam Software 8.7/10 Free plan · 30-day trial Free planFree trial✓ 2 of 3 features Visit MX Guarddog

vs

Rspamd #7 in Email Anti-Spam Software 7.9/10 Free plan Free plan✓ 0 of 3 features Visit Rspamd

• MX Guarddog fits best

  Budget-conscious domain owners

• Rspamd fits best

  Technical teams building programmable filtering

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Side by side

Feature	MX Guarddog 8.7/10 Visit ↗	Rspamd 7.9/10 Visit ↗
At a glance
Editor score	8.7	7.9
Ranking	#3 in Email Anti-Spam Software	#7 in Email Anti-Spam Software
Best for	Budget-conscious domain owners	Technical teams building programmable filtering
Pricing model	Free plan + paid	Free plan + paid
Starting price	$0.25/unit/mo	£100/mo
Free plan	✓	✓
Free trial	30 days	—
Deployment	Cloud	Desktop, Self-hosted
Platforms	Web	Linux, macOS
Integrations	3 integrations	11 integrations
Features MX Guarddog 2/3 · Rspamd 0/3
Phishing detection	✓ (best)	Not checked yet
Malware scanning	✓ (best)	Not checked yet
Attachment scanning	Not checked yet	Not checked yet
Specs
Quarantine access	User_and_admin	Not checked yet
Supported mail platforms	Standard SMTP email servers for owned domains; not consumer Gmail or Hotmail accounts	Not checked yet
Quarantine retention	7 days	Not checked yet
Deployment type	Cloud_gateway	Not checked yet
Our review
Pros	Spam, phishing, malware and virus scanning Quarantine access with message release and reports 168-hour outage spooling with TLS encryption	Open-source scoring with Bayesian and machine learning classification SPF, DKIM, DMARC, phishing, antivirus, and outbound controls HTTP API, Milter, Lua rules, and broad mail-server integrations
Cons	Does not support consumer Gmail or Hotmail accounts Designed for owned domains using standard SMTP servers Free access requires visible website text links to earn tokens	Requires technical administration of rules, protocols, and deployment Scale starts at £100/month for 5K mailboxes Custom configuration may be more than small teams need
Our verdict	MX Guarddog is a hosted email security service for organizations, individuals and domain owners operating their own email servers. It routes incoming mail through MX Guarddog data centers, scans messages for spam, phishing, malware and… Read the review →	Rspamd is an open-source email filtering engine for enterprises, email service providers, hosting providers, and mail-server operators. It analyzes inbound and outbound messages through statistical learning, reputation checks,… Read the review →

Strengths and trade-offs

• MX Guarddog — where it wins

  • Spam, phishing, malware and virus scanning
  • Quarantine access with message release and reports
  • 168-hour outage spooling with TLS encryption

  Where it doesn't

  • Does not support consumer Gmail or Hotmail accounts
  • Designed for owned domains using standard SMTP servers
  • Free access requires visible website text links to earn tokens

• Rspamd — where it wins

  • Open-source scoring with Bayesian and machine learning classification
  • SPF, DKIM, DMARC, phishing, antivirus, and outbound controls
  • HTTP API, Milter, Lua rules, and broad mail-server integrations

  Where it doesn't

  • Requires technical administration of rules, protocols, and deployment
  • Scale starts at £100/month for 5K mailboxes
  • Custom configuration may be more than small teams need

• MX Guarddog8.7/10 · Free plan · 30-day trial

  A low-cost cloud gateway for domain owners who run their own email servers.

  Visit MX GuarddogFull verdict →
• Rspamd7.9/10 · Free plan

  A configurable gateway for teams building spam, phishing, and malware controls.

  Visit RspamdFull verdict →