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Rspamd is a free Email Security Platforms tool. Security professionals most commonly compare it with Cloudflare Cloud Email Security, Trustifi AI Powered Email Security. All 137 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Rspamd, including their key features and shared capabilities.
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
AI-powered email security platform for threat detection and compliance
Email security gateway protecting against spam, phishing, viruses & data leaks
Cloud-based email security platform with AI-powered threat detection
Managed email security service protecting against email-based threats
Cloud email security for Microsoft 365 and Google Workspace applications
Email security platform blocking spam, phishing, malware, and viruses
Email security for Microsoft Exchange servers with antispam and antimalware.
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
AI-powered email security platform for threat detection and compliance
Email security gateway protecting against spam, phishing, viruses & data leaks
Cloud-based email security platform with AI-powered threat detection
Managed email security service protecting against email-based threats
Cloud email security for Microsoft 365 and Google Workspace applications
Email security platform blocking spam, phishing, malware, and viruses
Email security for Microsoft Exchange servers with antispam and antimalware.
Cloud-based email gateway with spam filtering, anti-phishing, and containment
Bundled cybersecurity solutions for MSPs and end users with email protection
Outbound email filtering platform for spam prevention and IP reputation mgmt
Cloud-based anti-spam solution filtering inbound email threats
AI-powered inbound email security platform for phishing & malware detection
ActiveSync protocol implementation for MDaemon email server synchronization
Private cloud email server solution for organizations
Email antivirus and antispam solution for MDaemon email servers
MX-based email security platform using AI to block spam, phishing & malware
Carrier-grade email security for ISPs blocking spam, phishing, and malware
Email security platform filtering spam, phishing, and malware threats
Outbound email filtering to block spam, phishing, and malware traffic.
Email filtering service protecting against spam, viruses, and phishing.
Email server with antispam, antivirus, and security features for Linux/Windows
Comprehensive email security & human risk mgmt platform with AI-powered protection
Managed email filtering service with threat detection and spam prevention
Cloud-based email security service protecting against phishing, malware & BEC
Monitors domains across 100+ blacklists and alerts when domains are listed
Email threat protection using blocklists, blocking 99.6%+ of email threats.
Real-time email threat blocking via RBL/DNSBL blocklists for mail servers.
Managed cloud email security service with anti-spam, anti-phishing, and DLP.
Cloud-based email security platform with DLP, encryption, and archiving.
Carrier-grade outbound spam & botnet detection solution for ISPs.
Email security gateway with anti-spam, AV, sandboxing, and DLP.
Composable email infrastructure platform with threat detection and AI ops.
Managed business email service on MailEnable with security & no per-mailbox fees.
cPanel/WHM plugin for provisioning MailChannels email security for hosting customers.
Cloud SMTP relay for hosting providers to filter outbound spam & protect IP reputation.
Cloud-based email filtering blocking phishing, malware, spam & BEC attacks.
Cloud-based managed email filtering against phishing, ransomware & BEC.
Cloud-managed DMARC record hosting with DNS-free policy management.
Managed email security service for Office 365 using Cisco's platform.
Home network security hardware device blocking spam, viruses, and phishing.
Cloud email filter using block/allow lists and greylisting to reduce spam.
Cloud-based anti-spam and antivirus email filtering with AI threat detection.
Tiered cybersecurity bundles combining email, DNS, backup & SAT.
Email security layer for M365 with anti-phishing, sandboxing, and DLP.
Email security gateway appliance for spam/malware filtering and mail flow control.
AI-powered email security platform for Microsoft 365 with backup & compliance.
Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements.
DNSBL of end-user IP ranges that should not send email directly to MX servers.
AI-powered DMARC monitoring and email authentication security platform
Email threat protection for Microsoft 365 with advanced detection capabilities
Email and collaboration security for Microsoft 365 environments
AI-powered email security platform protecting against phishing, BEC, and ATO
Cloud-based email security platform protecting against phishing, ransomware, BEC
Behavioral email security platform protecting inbound, outbound, and internal mail
Comprehensive M365 security suite with email protection, backup, and compliance
Email security platform with phishing/BEC protection and MDR/XDR integration
AI-powered email security platform protecting against advanced threats
Email security platform with inline threat protection and compliant archiving
File-based threat protection for Microsoft 365 using CDR technology
Cloud-based email security platform protecting against phishing & ransomware
Email security platform protecting M365 & Google Workspace from threats
Cloud-native email security platform for phishing detection and response
All-in-one email security platform for threat protection and compliance
Email security gateway protecting against phishing, BEC, and email-borne threats
AI-driven email security platform for detecting advanced email threats
Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols
AI-powered email and collaboration security platform for threat detection
Email security platform with AI-based threat detection and DLP capabilities
Email security platform protecting against fraud, malware, and spam threats
AI-powered email security platform detecting advanced threats via behavioral analysis
Email security for Microsoft Exchange servers with anti-spam and anti-malware
Cloud workspace security platform for email, files, and account protection
Cloud-native email security platform with SEG and API-based protection
Enterprise email security platform for cloud and on-premise deployments
AI-powered email security platform detecting threats across email and messaging
Email security platform protecting against phishing, malware, and exploits
Email security platform protecting against phishing, BEC, and data loss
Email compliance and archiving solution with DLP and threat protection
Cloud-based email archiving solution for compliance and e-discovery
Email security platform for Microsoft 365 with AI-based threat detection
Outlook add-in for sending personalized bulk emails via mail merge
Cloud email security platform for inbound/outbound threat detection & DLP
Filters bulk and graymail to reduce email distractions and boost productivity
DMARC monitoring tool for email deliverability and brand protection
Secures Microsoft Teams, SharePoint & OneDrive from malware and phishing
Enterprise SMS messaging service for sending/receiving texts from business apps
Email server application with groupware functions for Microsoft Windows
Email security gateway for protecting email infrastructure from threats
Email antivirus and anti-spam solution for private cloud deployments
Virtual private server hosting solution for MDaemon email server
Hosted email server solution with security features
Sandboxes email attachments to detect malicious behavior via dynamic analysis
Cloud-based email security service blocking phishing, spam, and malware
Centralized platform for reporting, analyzing, and responding to email threats
AI-powered email security platform with agentic automation and detection
AI-driven email security platform for Microsoft 365 inbound/outbound threats
AI-powered email security platform for phishing and BEC protection
Email security platform with AI threat detection, BEC protection, and DLP
DMARC management platform for email authentication and domain protection
DKIM record validation tool that verifies public key DNS configuration
Email and web threat detection platform with AI-based behavioral analysis
DMARC management platform for email authentication and domain protection
AI-powered email security platform with behavioral detection and automation
ATP solution for SaaS & email with AI-driven detection & auto-response
File-based threat protection using CDR across email, file transfer, and media
Email archiving solution with encryption, compression, and compliance features
Email security platform enhanced with multi-tenant mgmt & automation tools
Email security platform protecting against phishing, malware, and BEC attacks
Comprehensive email security platform protecting inbound/outbound communications
AI-powered email security platform that detects phishing, BEC, and malware
High assurance email guard for NATO with EAL4+ certification and DLP
Real-time web filtering solution for educational institutions
Cloud-based email archiving solution with unlimited storage and retention
AI-powered email security platform protecting against phishing, BEC, and ATO
AI-native email security platform detecting phishing and BEC attacks
Cloud-native API-based email & collaboration security with CDR for SaaS.
AI-driven platform to optimize, assess, and automate Mimecast email security controls.
AI-based email security for M365 with phishing, BEC & malware detection.
Managed Proofpoint email security service for phishing & BEC protection.
On-premises Exchange Server security tool for protocol-level threat detection.
Platform automating DMARC compliance via record mgmt, reporting & policy enforcement.
Manages BIMI records, logo hosting, VMC/CMC certs, and DNS config for email branding.
Cloud-based email archiving with real-time capture, deduplication & eDiscovery.
Encrypted enterprise messaging solution within the SalaX Secure Collaboration suite.
CDR solution that sanitizes files and emails by disassembling and rebuilding them.
Cloud-native AI email security platform with LLM-based threat detection and DLP.
Open-source detection rules for email attacks like BEC, phishing, and malware
A free online tool that tests email server security by evaluating server configurations
Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries.
A Yara scanner for IMAP feeds and saved streams, extracting attachments and scanning them with chosen Yara rule files.
A free and open platform for detecting and preventing email attacks like BEC, malware, and credential phishing, utilizing Message Query Language (MQL) for behavior description.
Top 15 recommendations to protect your business from email-borne threats with Security Gateway.
Common questions security professionals ask when evaluating alternatives and competitors to Rspamd.
The most popular alternatives to Rspamd include Cloudflare Cloud Email Security, Trustifi AI Powered Email Security, MDaemon Technologies SecurityGateway, MX Layer Email Security, and LevelBlue Email Security. These Email Security Platforms tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
