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Spam Cube is a commercial email security platforms tool by Spam Cube. MailGuard is a commercial email security platforms tool by MailGuard. Compare features, ratings, integrations, and community reviews side by side to find the best email security platforms fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Startup security teams protecting small office networks from email-borne threats will find Spam Cube's hardware-first approach valuable; it blocks spam, viruses, and phishing at the gateway without requiring per-device agents or cloud subscriptions. The device supports up to four computers and handles continuous monitoring of inbound traffic, addressing DE.CM requirements without software overhead. Skip this if your team needs advanced threat hunting, endpoint detection, or coverage beyond a single small network; Spam Cube is designed for perimeter defense at the network edge, not enterprise visibility.
Mid-market and SMB security teams will get real value from MailGuard's outbound DLP and policy enforcement, which most cloud email filters treat as an afterthought. The file fingerprinting and regex pattern matching actually catch data exfiltration attempts that keyword-only solutions miss, and the tool covers both inbound filtering and compliance controls without forcing separate deployments. Skip this if you need native SIEM integration or advanced threat hunting; MailGuard prioritizes blocking and prevention over post-breach investigation, which is fine if your detection happens elsewhere.
Home network security hardware device blocking spam, viruses, and phishing.
Cloud-based managed email filtering against phishing, ransomware & BEC.
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Common questions about comparing Spam Cube vs MailGuard for your email security platforms needs.
Spam Cube: Home network security hardware device blocking spam, viruses, and phishing. built by Spam Cube. headquartered in United States. Core capabilities include Built-in anti-spam protection, Anti-virus protection (via Security OnDemand subscription), Anti-phishing protection (via Security OnDemand subscription)..
MailGuard: Cloud-based managed email filtering against phishing, ransomware & BEC. built by MailGuard. headquartered in Australia. Core capabilities include Inbound and outbound email filtering via MX record change, Anti-spam engines using heuristic filters, ML, and generative AI, Virus, malware, and blended threat protection with archive unpacking and MIME-type detection..
Both serve the Email Security Platforms market but differ in approach, feature depth, and target audience.
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