{"question": "best email security gateways for small businesses", "category": "email-security-gateways", "category_name": "email security gateways", "audience": "small-businesses", "audience_name": "small businesses", "engine": "Claude (Anthropic) with web search", "model": "claude-opus-5", "asked_at": "2026-10-09T23:36:27Z", "permalink": "https://bikoosh.com/answers/s/email-security-gateways-small-businesses-2026-10-09", "question_page": "https://bikoosh.com/answers/q/email-security-gateways/small-businesses", "brands_named": [{"position": 1, "brand": "Microsoft", "label": "mentioned"}, {"position": 2, "brand": "Microsoft 365", "label": "mentioned"}, {"position": 3, "brand": "Google", "label": "mentioned"}, {"position": 4, "brand": "Google Workspace", "label": "mentioned"}, {"position": 5, "brand": "Microsoft Defender", "label": "mentioned"}, {"position": 6, "brand": "Defender", "label": "mentioned"}, {"position": 7, "brand": "Plan 1", "label": "mentioned"}, {"position": 8, "brand": "Avanan", "label": "mentioned"}, {"position": 9, "brand": "SharePoint", "label": "mentioned"}, {"position": 10, "brand": "Peer", "label": "mentioned"}, {"position": 11, "brand": "Mimecast", "label": "mentioned"}, {"position": 12, "brand": "IRONSCALES", "label": "mentioned"}, {"position": 13, "brand": "KnowBe4", "label": "mentioned"}, {"position": 14, "brand": "Proofpoint Essentials", "label": "mentioned"}, {"position": 15, "brand": "Professional", "label": "mentioned"}, {"position": 16, "brand": "UnderDefense", "label": "mentioned"}, {"position": 17, "brand": "Guardz", "label": "mentioned"}], "sources_cited": [{"url": "https://redmondmag.com/articles/2025/06/17/microsoft-bolsters-defender-for-office-365-with-ices-ecosystem.aspx", "domain": "redmondmag.com", "source_type": "other"}, {"url": "https://www.meshsecurity.io/blog/microsoft-365-price-increase-how-msps-are-softening-the-blow-by-adding-email-security", "domain": "meshsecurity.io", "source_type": "other"}, {"url": "https://www.microsoft.com/en-au/security/small-medium-business/pricing", "domain": "microsoft.com", "source_type": "vendor"}, {"url": "https://www.neowin.net/news/microsoft-365-business-premium-now-offers-cheaper-enterprise-grade-protection-to-smbs/", "domain": "neowin.net", "source_type": "other"}, {"url": "https://www.gartner.com/reviews/market/email-security/vendor/check-point-software-tech/product/check-point-harmony-email-and-collaboration", "domain": "gartner.com", "source_type": "review"}, {"url": "https://consilien.com/news/best-email-security-solutions-small-business-2026", "domain": "consilien.com", "source_type": "other"}, {"url": "https://g2.com/products/proofpoint-essentials-for-small-business/pricing", "domain": "g2.com", "source_type": "review"}, {"url": "https://underdefense.com/industry-pricings/proofpoint-pricing/", "domain": "underdefense.com", "source_type": "vendor"}, {"url": "https://costbench.com/compare/barracuda-email-protection-vs-mimecast/", "domain": "costbench.com", "source_type": "other"}, {"url": "https://www.peerspot.com/products/comparisons/avanan_vs_sublime-security", "domain": "peerspot.com", "source_type": "other"}, {"url": "https://www.costbench.com/compare/mimecast-vs-proofpoint/", "domain": "costbench.com", "source_type": "other"}], "answer_text": "Searched - here's how I'd actually answer. One framing note first: the \"secure email gateway\" category has largely moved on. For a small business on Microsoft 365 or Google Workspace, you usually don't want a classic MX-record gateway sitting in front of your mail; you want an API-based layer on top of the native filtering. Microsoft now explicitly supports this with an ICES partner ecosystem via open APIs ([Redmond Mag](https://redmondmag.com/articles/2025/06/17/microsoft-bolsters-defender-for-office-365-with-ices-ecosystem.aspx)), and Gartner has noted ~35% of Office 365 orgs add a third-party product on top ([Mesh](https://www.meshsecurity.io/blog/microsoft-365-price-increase-how-msps-are-softening-the-blow-by-adding-email-security)).\n\n**1. Microsoft Defender for Office 365 Plan 1 (~$2/user/mo), or Business Premium if you need the rest.** Start here, and genuinely consider stopping here. Safe Links, Safe Attachments, anti-phish policies, and post-delivery remediation for the price of a coffee per employee per year. Most small businesses that \"need an email security gateway\" actually just have Exchange Online Protection with default policies and no one tuning them. Microsoft also", "answer_truncated": true, "measurement": "One answer from one engine on one date. Not a ranking and not a claim about the world; brands the engine did not name are not recorded.", "limitation": "Coverage: Claude (Anthropic) with web search. Other engines not included.", "alerts": {"name": "Answer Watch Pro", "price_usd": 79, "period": "month", "gets": "daily change alerts for up to 5 brands in what one AI answer engine says, history, CSV export. Coverage: Claude (Anthropic) with web search. Other engines not included", "url": "https://bikoosh.com/answers"}}