Best Rspamd Alternatives in 2026
The top Rspamd alternatives are Sublime Security, Sophos Email and Cloudflare Email Security: 15 email security gateways our editors would look at instead of Rspamd, in our ranking order.
Rspamd: A configurable, self-hosted email security engine for technical mail teams. Where it falls short: requires technical administration of mail-server integrations.
Switching from Rspamd? For most email security gateways buyers the best Rspamd alternative is Sublime Security, built for teams wanting strong value and customization.
Why People Look for a Rspamd Alternative
- Requires technical administration of mail-server integrations
- Paid Scale plan starts at £100 per month for 5K mailboxes
- Uses antivirus integration rather than an isolated malware sandbox
Quick Picks by What You Need
- Best overallSublime Security9.4
Teams wanting strong value and customization
Visit Sublime Security - Best free optionSublime Security9.4
Has a free plan
Visit Sublime Security
All 15 Rspamd Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams wanting strong value and customization
- Better than Rspamd:
- Editor score 9.4 vs 7.1
A customizable email security platform with unusually broad protection in its free Core plan.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
9.4/10★★★★★Try Sublime Security -
Best forMicrosoft 365 and Google Workspace security
- Better than Rspamd:
- Editor score 9.2 vs 7.1
A broad cloud gateway for Microsoft 365 and Google Workspace email protection.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
9.2/10★★★★★Visit Sophos Email -
Best forFlexible cloud and hybrid deployments
- Better than Rspamd:
- Editor score 9.0 vs 7.1
A flexible email gateway for organizations needing layered inbound and outbound protection.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
9.0/10★★★★☆Visit Cloudflare -
Best forBehavioral AI threat detection
- Better than Rspamd:
- Editor score 8.9 vs 7.1
Behavioral AI protection across email, collaboration tools, and connected security systems.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
8.9/10★★★★☆Visit Darktrace -
Best forOrganizations needing layered email defenses
- Better than Rspamd:
- Editor score 8.8 vs 7.1
Layered protection for email, collaboration apps, account takeover, and data loss.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
8.8/10★★★★☆Visit Check Point -
Best forMature all-around email protection
- Better than Rspamd:
- Editor score 8.7 vs 7.1
A broad email security gateway for organizations needing layered protection and policy control.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
8.7/10★★★★☆Visit Mimecast -
Best forHybrid deployments with advanced analysis
- Better than Rspamd:
- Editor score 8.6 vs 7.1
A broad email gateway for organizations needing advanced inbound and outbound threat analysis.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
8.6/10★★★★☆Visit Libraesva -
Best forBehavioral BEC and vendor-fraud defense
- Better than Rspamd:
- Editor score 8.5 vs 7.1
A focused cloud gateway for BEC, phishing, vendor fraud, and outbound DLP.
- Impersonation protection
- Google Workspace support
- Microsoft 365 support
8.5/10★★★★☆Visit Abnormal AI -
Best forUser-aware phishing and impersonation defense
- Better than Rspamd:
- Editor score 8.4 vs 7.1
A broad, user-aware email security platform with quote-based pricing.
- Impersonation protection
- Google Workspace support
- Microsoft 365 support
8.4/10★★★★☆Visit INKY -
Best forMicrosoft 365 protection suites
- Better than Rspamd:
- Editor score 8.3 vs 7.1
A broad Microsoft 365 protection suite with layered email security and data recovery.
- Malware sandboxing
- Impersonation protection
- Microsoft 365 support
Pricing on request · 14-day trial Our Hornetsecurity 365 Total Protection verdict → Visit Hornetsecurity8.3/10★★★★☆Visit Hornetsecurity -
Best forFortinet-centered security environments
- Better than Rspamd:
- Editor score 8.2 vs 7.1
A broad email security platform suited to Fortinet-centered hybrid environments.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
8.2/10★★★★☆Visit Fortinet -
Best forManaged protection with incident response
- Better than Rspamd:
- Editor score 8.1 vs 7.1
Layered cloud email protection for Microsoft 365, Google Workspace, and other mail services.
- Impersonation protection
- Google Workspace support
- Microsoft 365 support
8.1/10★★★★☆Visit Fortinet -
Best forPhishing-focused protection with automation
- Better than Rspamd:
- Editor score 8.0 vs 7.1
A phishing-focused gateway for Microsoft 365 and Google Workspace environments.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
8.0/10★★★★☆Visit IRONSCALES -
Best forStraightforward cloud or hybrid filtering
- Better than Rspamd:
- Editor score 7.9 vs 7.1
A broad email security gateway for organizations needing inbound and outbound control.
- Malware sandboxing
- Impersonation protection
- Google Workspace support
7.9/10★★★★☆Visit LevelBlue -
Best forAppliance-style content inspection
- Better than Rspamd:
- Editor score 7.8 vs 7.1
A broad inspection and governance gateway for organizations securing inbound and outbound email.
- Malware sandboxing
- Google Workspace support
- Microsoft 365 support
7.8/10★★★★☆Visit Fortra
Rspamd Alternatives: Common Questions
What is the best alternative to Rspamd?
Sublime Security: #1 in our Email Security Gateways ranking, with an editor score of 9.4 out of 10. A customizable email security platform with unusually broad protection in its free Core plan.
Is there a free alternative to Rspamd?
Yes. Sublime Security has a free plan or a free tier.
Why do people look for Rspamd alternatives?
Requires technical administration of mail-server integrations; Paid Scale plan starts at £100 per month for 5K mailboxes; Uses antivirus integration rather than an isolated malware sandbox.
How do I switch from Rspamd?
Export your data from Rspamd (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Rspamd.
How to Switch from Rspamd
- Export your data from Rspamd (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Rspamd.
Rspamd vs Each Alternative
| # | Tool | Free plan | Paid from | Outbound filtering | Impersonation protection | Malware sandboxing | Deployment model | Score |
|---|---|---|---|---|---|---|---|---|
| 22 | Rspamd | Yes | £100/mo | Yes | Yes | Gateway | 7.1 | |
| 1 | Sublime Security | Yes | Yes | Yes | Yes | Hybrid | 9.4 | |
| 2 | Sophos Email | No | Yes | Yes | Yes | Cloud | 9.2 | |
| 3 | Cloudflare Email Security | No | Yes | Yes | Yes | Hybrid | 9.0 | |
| 4 | Darktrace / EMAIL | No | Yes | Yes | Yes | Cloud | 8.9 | |
| 5 | Check Point Email Security | No | Yes | Yes | Yes | Hybrid | 8.8 | |
| 6 | Mimecast Secure Email Gateway | No | Yes | Yes | Yes | Cloud | 8.7 | |
| 7 | Libraesva Email Security | No | Yes | Yes | Yes | Hybrid | 8.6 | |
| 8 | Abnormal Email Security | Yes | Yes | Cloud | 8.5 | |||
| 9 | INKY Email Security | Yes | Yes | Cloud | 8.4 | |||
| 10 | Hornetsecurity 365 Total Protection | No | Yes | Yes | Yes | Hybrid | 8.3 | |
| 11 | FortiMail Email Security | Yes | Yes | Yes | Hybrid | 8.2 | ||
| 12 | Perception Point Advanced Email Security | Yes | Yes | Cloud | 8.1 | |||
| 13 | IRONSCALES Email Protect | No | No | Yes | Yes | Cloud | 8.0 | |
| 14 | Trustwave Secure Email Gateway | Yes | Yes | Yes | 7.9 | |||
| 15 | Fortra Secure Email Gateway | Yes | Yes | Appliance | 7.8 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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