[{"data":1,"prerenderedAt":652},["ShallowReactive",2],{"money-live:best":3,"money:best:email-security-for-msps":4,"money-links:\u002Fen\u002Fbest\u002Femail-security-for-msps":638},true,{"page":5},{"family":6,"bestCategory":7,"slug":8,"navLabel":9,"hubBlurb":10,"icon":11,"eyebrow":12,"h1":13,"lede":14,"seoTitle":15,"seoDescription":16,"reviewed":17,"heroChips":18,"aliases":23,"sections":25,"faqs":532,"sources":554,"disclaimer":620,"related":621},"best","segments","email-security-for-msps","Best email security for MSPs","Ten email security platforms MSPs use for Microsoft 365 and Google Workspace clients, ranked on per-tenant onboarding, multi-tenancy and partner economics.","network","Best tools · MSPs","10 best email security tools for MSPs (2026)","The best email security for MSPs with Microsoft 365 and Google Workspace clients in 2026 is Sentaro, because each client tenant connects over API in about four minutes with no MX change, partners run every client from one multi-tenant, white-label-ready dashboard, and the client price is public at $6 per protected account per month. The other strong options are Guardz for MSPs that want email, endpoint and identity in one console, IRONSCALES for bundled phishing simulation, and Acronis for MSPs already on Acronis Cyber Protect Cloud.","10 Best Email Security Tools for MSPs (2026)","Ten email security platforms for MSPs compared on per-tenant onboarding, multi-tenant consoles, white-label, partner economics and BEC detection. Oct 2026.","2026-10-21",[19,20,21,22],"10 MSP platforms compared","Last verified 21 October 2026","Published method and weights","Sentaro publishes this list",[24],"best email security for MSPs",[26,43,70,92,186,216,470,502,507],{"t":27,"title":28,"summary":29,"points":30},"verdict","Our recommendation","Sentaro is the best email security for MSPs serving Microsoft 365 and Google Workspace clients. For an MSP the license is rarely the expensive part. The cost is per-tenant onboarding, mail-flow risk, alert triage across dozens of clients, and quoting a price without waiting on a vendor. Sentaro is built around those four costs. Sentaro publishes this list and ranks itself first; scores use the method below and public vendor documentation as of 21 October 2026.",[31,34,37,40],{"label":32,"text":33},"Why Sentaro wins","Each client tenant connects over API in four minutes, with no MX change and no agents. The dashboard is multi-tenant and white-label ready. Verdicts are automatic and alerts fire only when a decision is needed. Clients pay the public price of $6 per protected account per month (prices in USD), so you can quote without a call. Program details are on \u002Fen\u002Femail-security-for-msps.",{"label":35,"text":36},"Choose Sentaro if","Your book is small and mid-sized Microsoft 365 or Google Workspace tenants, many in regulated EU sectors, and the losses you see are invoice fraud and compromised suppliers rather than malware.",{"label":38,"text":39},"Consider Guardz or Acronis only if","You want email security inside a wider MSP stack (endpoint, identity, backup) from one vendor, and quote-based or consumption pricing suits you.",{"label":41,"text":42},"Consider Mesh or TitanHQ only if","Documented PSA integrations and billing sync matter more to you today than detection approach; Sentaro does not document PSA or RMM integrations yet.",{"t":44,"items":45},"picks",[46,50,54,58,62,66],{"label":47,"vendor":48,"reason":49,"own":3},"Best overall for MSPs","Sentaro","Four-minute API onboarding per tenant, multi-tenant and white-label ready, public $6 client price.",{"label":51,"vendor":52,"reason":53},"Best MSP security stack in one console","Guardz","MSP-only platform for identity, endpoint, email and exposure; email engine from Check Point Harmony.",{"label":55,"vendor":56,"reason":57},"Best with phishing simulation bundled","IRONSCALES","Multi-tenant console with per-tenant policies; training and simulation in higher tiers; 3,000+ MSPs (vendor).",{"label":59,"vendor":60,"reason":61},"Best for Acronis Cyber Protect Cloud partners","Acronis Email Security","Perception Point engine with incident-response analysts, added to Acronis backup and EDR.",{"label":63,"vendor":64,"reason":65},"Best for Kaseya MSPs","INKY","Warning banners and internal and outbound protection, now part of Kaseya 365 User.",{"label":67,"vendor":68,"reason":69},"Best PSA billing sync","Mesh","Built only for MSPs, with ConnectWise, Autotask and Halo PSA integrations and billing synced to Microsoft licence counts.",{"t":71,"title":72,"items":73},"facts","At a glance",[74,77,80,83,86,89],{"label":75,"value":76},"What we compared","Email security platforms MSPs deploy and bill across client Microsoft 365 and Google Workspace tenants",{"label":78,"value":79},"Tools ranked","10",{"label":81,"value":82},"Audience","MSPs and IT providers managing many small and mid-sized client tenants, many in the EU",{"label":84,"value":85},"Method","Seven weighted criteria (below), scored 0 to 10 from public vendor documentation; overall score is the weighted average",{"label":87,"value":88},"Last verified","21 October 2026",{"label":90,"value":91},"Who wrote it","Sentaro, which makes one of the ranked tools and runs a partner program. Sentaro publishes this list and ranks itself first.",{"t":93,"id":94,"title":95,"intro":96,"columns":97,"groups":103,"footnote":185},"compare","summary","MSP email security platforms compared","Sentaro first, then by overall score. “Quote” means the vendor does not publish a price.",[98,99,100,101,102],"Deployment","MSP model","Client pricing","Platforms","Score",[104],{"rows":105},[106,115,122,129,136,144,153,160,168,177],{"label":107,"cells":108,"source":114},"Sentaro (our pick)",[109,110,111,112,113],"API, no MX change; four minutes per tenant","Referral, reseller and strategic tiers; multi-tenant, white-label ready","$6 per account\u002Fmonth, public","Microsoft 365, Google Workspace","8.0",1,{"label":52,"cells":116,"source":121},[117,118,119,112,120],"API","MSP-only platform","Quote, per user","7.3",4,{"label":56,"cells":123,"source":128},[124,125,126,112,127],"API at mailbox level","Multi-tenant console, per-tenant policies","Quote (tiers published)","7.2",8,{"label":60,"cells":130,"source":135},[131,132,133,112,134],"API (Perception Point engine)","Via Acronis Cyber Protect Cloud","Consumption-based, no list price","7.1",6,{"label":137,"cells":138,"source":143},"Barracuda Email Protection",[139,140,141,112,142],"API, no MX change","Email Protection for MSPs","Quote","6.8",9,{"label":145,"cells":146,"source":152},"TitanHQ (CyberSentriq)",[147,148,149,150,151],"Gateway or Graph API","MSP brand CyberSentriq; multi-tenant, white-label","Quote, usage-based","Microsoft 365; Google Workspace per FAQ","6.6",11,{"label":64,"cells":154,"source":159},[155,156,157,112,158],"Connectors and mail-flow rules, no MX change","MSP\u002FMSSP program; Kaseya 365 User","Quote; committed minimum quantity","6.2",13,{"label":68,"cells":161,"source":167},[162,163,164,165,166],"Gateway (MX) or API","MSP-only; PSA billing sync","Quote, per mailbox","Microsoft 365","6.1",15,{"label":169,"cells":170,"source":176},"Proofpoint Essentials",[171,172,173,174,175],"Gateway (MX)","Sold via MSPs and resellers","Reseller list from $3.93\u002Fuser\u002Fmonth","Microsoft 365 (other hosts via MX)","5.9",17,{"label":178,"cells":179,"source":184},"Hornetsecurity 365 Total Protection",[180,181,182,165,183],"MX, API or hybrid","Core MSP channel (12,000+ partners)","Quote, via partners","5.7",18,"Vendor facts from each vendor’s public pages, checked 21 October 2026. Partner discounts and margins are not published by any vendor on this list.",{"t":187,"id":188,"title":189,"intro":190,"criteria":191,"note":215},"rubric","method","How we evaluated email security for MSPs","An MSP pays for email security in hours as well as licences: onboarding each tenant, keeping mail flowing, answering alerts and building quotes. The weights follow those costs, then give credit where suites and established MSP vendors are stronger.",[192,196,199,202,205,209,212],{"name":193,"weight":194,"why":195},"Per-tenant onboarding",20,"Time to protect a new client and the risk to its mail flow. API connections that leave the MX record alone score highest; MX gateways and connector projects lower.",{"name":197,"weight":194,"why":198},"Partner economics and price transparency","Can you quote a client from a public price, with monthly per-seat billing and no committed minimums? Quote-only, minimum-commitment models score lower.",{"name":200,"weight":167,"why":201},"Multi-tenant console and white-label","One place to run every client, with per-tenant policy and your own branding.",{"name":203,"weight":167,"why":204},"BEC detection and alert noise","Business email compromise and invoice fraud cost clients most, and every alert that is not a decision is an unbilled ticket.",{"name":206,"weight":207,"why":208},"Microsoft 365 and Google Workspace coverage",10,"Most MSP books mix both. Tools that document both score highest.",{"name":210,"weight":207,"why":211},"Stack breadth","Backup, archiving, endpoint, encryption and training from the same vendor. Suites score well here, Sentaro does not.",{"name":213,"weight":207,"why":214},"PSA, RMM and billing integrations","Documented ConnectWise, Autotask, Halo or Kaseya integrations and billing sync. Not documented scores in the low-middle range.","Editorial scores using the criteria and weights above; based on public documentation, not lab tests. Partner margins are not published by any vendor here, so they are not scored.",{"t":217,"id":218,"title":219,"intro":220,"items":221},"ranked","ranking","The 10 best email security tools for MSPs","Ranked by weighted score. Each entry states the MSP model (program, console, billing) before the detection details, because that is what decides the hours you spend per client.",[222,251,278,303,329,353,375,398,421,446],{"name":48,"own":3,"tag":223,"bestFor":224,"summary":225,"score":128,"scores":226,"pros":235,"cons":241,"pricing":246,"deployment":247,"platforms":248,"hosting":249,"to":250,"source":114},"Our pick","MSPs with Microsoft 365 and Google Workspace clients that want fast API onboarding, low alert volume and a public client price.","Sentaro is an API-based email and SaaS security platform for Microsoft 365 and Google Workspace, hosted in Sweden on Microsoft Azure. Its reseller page says partners are live in under 24 hours and each client tenant connects over API in four minutes; the dashboard is multi-tenant and white-label ready. Clients always pay the same price as anyone else, $6 per protected account per month, and the partner’s share is paid yearly with volume discounts. Partner tiers are Referral, Reseller and Strategic; the program is on \u002Fen\u002Femail-security-for-msps.",[227,228,229,230,231,232,234],{"criterion":193,"score":207},{"criterion":197,"score":143},{"criterion":200,"score":128},{"criterion":203,"score":143},{"criterion":206,"score":207},{"criterion":210,"score":233},3,{"criterion":213,"score":233},[236,237,238,239,240],"Four minutes per client tenant over API; no MX change, no agents.","Public client price: $6 per protected account per month, or $68 per year (prices in USD).","Multi-tenant dashboard, white-label ready, dedicated partner support.","Alerts only when a decision is needed, which keeps ticket volume down.","OAuth-grant and shadow-AI inventory per client, in the same price.",[242,243,244,245],"No PSA or RMM integrations documented yet.","Detection only: no backup, archiving, endpoint or training to bundle.","Commission and discount rates are set in the partner agreement, not published.","SOC 2 and ISO 27001 certification in progress; Identity and Behavioral vectors reach general availability in Q4 2026.","Client price $6 per protected account per month, or $68 per year; first account free. Partner share paid yearly, with volume discounts. Prices in USD.","API via the Microsoft 365 and Google Workspace admin SDKs; four minutes per tenant","Microsoft 365, Google Workspace; email, Slack and Teams","Hosted in Sweden on Microsoft Azure; subprocessors in the DPA","\u002Fen\u002Femail-security-for-msps",{"name":52,"tag":252,"bestFor":253,"summary":254,"score":255,"scores":256,"pros":266,"cons":270,"pricing":274,"deployment":275,"platforms":112,"hosting":276,"site":277,"source":259},"Best MSP stack","MSPs that want email security bundled with endpoint and identity protection in one multi-tenant console.","Guardz is an MSP-only security platform covering identity, endpoint, email and exposure, sold in Pro, Ultimate and Elite plans. Its email security connects Microsoft 365 or Google Workspace over API and is, in the vendor’s words, “powered by Check Point Harmony”; Elite adds Check Point’s complete email tier with outbound DLP and encryption. Pricing is per user and quote-based (“contact us to get exact pricing for your MSP”), with a 14-day trial and NFR licences. Guardz publishes its own MSP email-security list, where it ranks itself first.",7.3,[257,258,260,261,263,264,265],{"criterion":193,"score":128},{"criterion":197,"score":259},5,{"criterion":200,"score":143},{"criterion":203,"score":262},7,{"criterion":206,"score":143},{"criterion":210,"score":143},{"criterion":213,"score":259},[267,268,269],"Email, endpoint, identity and exposure in one MSP console.","Check Point Harmony (Avanan) email engine.","SOC 2 Type II badge; free trial and NFR licences.",[271,272,273],"No published prices.","Outbound DLP and encryption only in the Elite plan.","EU hosting not publicly documented.","Quote-based, per user, via the MSP","API (Microsoft 365, Google Workspace)","Not publicly documented","https:\u002F\u002Fguardz.com\u002Femail-security\u002F",{"name":56,"tag":279,"bestFor":280,"summary":281,"score":282,"scores":283,"pros":291,"cons":295,"pricing":298,"deployment":299,"platforms":112,"hosting":300,"to":301,"site":302,"source":262},"Best with simulation","MSPs that want phishing simulation and awareness training in the same multi-tenant product.","IRONSCALES says it is trusted by 3,000+ MSPs and offers a multi-tenant console with per-tenant policies. It connects at mailbox level over API alongside any existing gateway and “deploys in minutes, no MX changes”. Detection combines per-mailbox behavioral baselines with crowdsourced reports from its community. Higher tiers add training and simulation, encryption and DLP; every tier is quote-based, with monthly or annual billing.",7.2,[284,285,286,287,288,289,290],{"criterion":193,"score":128},{"criterion":197,"score":259},{"criterion":200,"score":143},{"criterion":203,"score":128},{"criterion":206,"score":143},{"criterion":210,"score":262},{"criterion":213,"score":259},[292,293,294],"Large MSP footprint: 3,000+ MSPs and 18,000+ organizations (vendor).","Per-tenant policies in one console.","Simulation and awareness training available in the same platform.",[271,296,297],"Training, encryption and DLP need higher tiers.","Subprocessor list names AWS in both the USA and Germany without saying who is hosted where.","Quote-based; tiered, monthly or annual billing","API at mailbox level; alongside a gateway","Subprocessor list names AWS in the USA and AWS Europe (Germany)","\u002Fen\u002Fcompare\u002Fsentaro-vs-ironscales","https:\u002F\u002Fironscales.com\u002F",{"name":60,"tag":304,"bestFor":305,"summary":306,"score":307,"scores":308,"pros":316,"cons":320,"pricing":324,"deployment":325,"platforms":326,"hosting":327,"site":328,"source":135},"Best for Acronis partners","MSPs already on Acronis Cyber Protect Cloud that want email security next to backup and EDR.","Acronis Email Security is sold through Acronis Cyber Protect Cloud service providers. Acronis states it is “powered by Perception Point”, the API-based engine Fortinet now owns, and lists account-takeover prevention, anti-spoofing and payload-less attack detection, with incident-response analysts included. Pricing is consumption-based (“monthly usage”) with no list price. Acronis cites 23 data centers in Europe among 50+ worldwide; where the Perception Point scanning runs is not stated. Acronis publishes its own MSP email-security list, where it ranks itself first.",7.1,[309,310,311,312,313,314,315],{"criterion":193,"score":128},{"criterion":197,"score":259},{"criterion":200,"score":128},{"criterion":203,"score":262},{"criterion":206,"score":143},{"criterion":210,"score":143},{"criterion":213,"score":259},[317,318,319],"Adds email to an existing Acronis backup and EDR console.","Incident-response analysts included, per Acronis.","23 data centers in Europe for the Acronis cloud.",[321,322,323],"No list price; consumption-based billing.","OEM engine owned by Fortinet since the Perception Point acquisition.","Where email scanning runs is not stated.","Consumption-based (monthly usage); no list price","API (Perception Point OEM); no MX change","Microsoft 365, Google Workspace, other mailboxes","Acronis cloud: 23 European data centers; scanning location not stated","https:\u002F\u002Fwww.acronis.com\u002Fen\u002Fproducts\u002Fcloud\u002Fcyber-protect\u002Femail-security\u002F",{"name":137,"bestFor":330,"summary":331,"score":332,"scores":333,"pros":341,"cons":345,"pricing":348,"deployment":349,"platforms":112,"hosting":350,"to":351,"site":352,"source":207},"MSPs that want one vendor for email security, backup, archiving and training across clients.","Barracuda runs a dedicated Email Protection for MSPs program. The product connects over API without MX changes and stacks three plans, from phishing, BEC and account-takeover protection with DMARC reporting, encryption and DLP up to Microsoft 365 backup, cloud archiving and awareness training. Prices are not published. For an MSP that wants to sell one bundle per client, it is the broadest option here.",6.8,[334,335,336,337,338,339,340],{"criterion":193,"score":128},{"criterion":197,"score":121},{"criterion":200,"score":135},{"criterion":203,"score":262},{"criterion":206,"score":143},{"criterion":210,"score":207},{"criterion":213,"score":259},[342,343,344],"Broadest bundle: DMARC, encryption, DLP, backup, archiving, training.","API deployment on Microsoft 365 and Google Workspace.","Mature MSP program; managed awareness training add-on for MSPs.",[271,346,347],"Full bundle needs the top plan.","API modules (Impersonation Protection, Incident Response) are listed in US regions only.","Quote-based; three cumulative plans","API-first, no MX change","Trust center: Email Gateway Defense in Frankfurt and London regions; Impersonation Protection and Incident Response in US regions","\u002Fen\u002Fcompare\u002Fsentaro-vs-barracuda","https:\u002F\u002Fwww.barracuda.com\u002Fproducts\u002Femail-protection",{"name":145,"bestFor":354,"summary":355,"score":356,"scores":357,"pros":365,"cons":369,"pricing":372,"deployment":373,"platforms":150,"hosting":276,"site":374,"source":152},"MSPs that want cheap, modular spam and phishing filtering plus archiving and DNS filtering from one vendor.","TitanHQ merged with Redstor into Bregal Milestone’s CyberSentriq in June 2025, and CyberSentriq is the MSP-facing brand: multi-tenant, white-label, with PSA integrations. PhishTitan runs inline in Microsoft 365 via the Graph API with a 10-minute setup claim and names BEC, CEO and invoice fraud; SpamTitan is a gateway filter. Archiving, encryption, DNS filtering and training are modules. Pricing is per user per product and usage-based, but the pricing page shows no figures.",6.6,[358,359,360,361,362,363,364],{"criterion":193,"score":262},{"criterion":197,"score":121},{"criterion":200,"score":128},{"criterion":203,"score":135},{"criterion":206,"score":262},{"criterion":210,"score":128},{"criterion":213,"score":128},[366,367,368],"Documented PSA integrations and white-label.","Many modules for one-vendor bundles.","Multi-currency pricing.",[271,370,371],"Google Workspace support only in a FAQ line.","QR-code phishing detection not stated.","Quote-based; per user per product, usage-based for PhishTitan","SpamTitan gateway (MX); PhishTitan inline via Graph API","https:\u002F\u002Fwww.titanhq.com",{"name":64,"tag":63,"bestFor":376,"summary":377,"score":378,"scores":379,"pros":387,"cons":391,"pricing":394,"deployment":395,"platforms":112,"hosting":396,"site":397,"source":159},"Kaseya MSPs that want user-facing warning banners and internal and outbound protection in Kaseya 365 User.","Kaseya acquired INKY in October 2025; it is sold standalone and inside Kaseya 365 User. INKY keeps the MX record pointing at Microsoft 365 or Google and routes mail through connectors and mail-flow rules, with a Journal Mode for phased rollout; the vendor says the initial install takes about 30 minutes. Its interactive warning banners coach users in the message itself. Contracts are one-year terms with a committed minimum quantity plus monthly variable usage; prices are not published. An EU data centre option is documented.",6.2,[380,381,382,383,384,385,386],{"criterion":193,"score":135},{"criterion":197,"score":121},{"criterion":200,"score":262},{"criterion":203,"score":262},{"criterion":206,"score":143},{"criterion":210,"score":135},{"criterion":213,"score":135},[388,389,390],"In-message warning banners that coach users.","Covers internal and outbound mail.","EU data centre option documented.",[392,393,271],"Committed minimum quantity on one-year terms.","Mail-flow connectors to set up per tenant.","Quote-based; 1-year term, committed minimum plus monthly variable","Inline via connectors and mail-flow rules; MX unchanged","US and EU data centres documented","https:\u002F\u002Fwww.inky.com\u002F",{"name":68,"tag":67,"bestFor":399,"summary":400,"score":401,"scores":402,"pros":410,"cons":414,"pricing":417,"deployment":418,"platforms":165,"hosting":419,"site":420,"source":167},"MSPs that want a lightweight gateway-plus-API product with PSA billing sync, inside the Bitdefender ecosystem.","Mesh (meshsecurity.io, Dublin) is built exclusively for MSPs and was acquired by Bitdefender in July 2025; it is not the US company Mesh Security Inc. It offers Mesh Gateway (MX), Mesh 365 (API) or both, integrates with ConnectWise, Autotask and Halo PSA, and syncs billing to each client’s Microsoft licence count monthly. It lists SOC 2 Type II and ISO 27001. Google Workspace support appears only in third-party sources, and no prices are published.",6.1,[403,404,405,406,407,408,409],{"criterion":193,"score":135},{"criterion":197,"score":135},{"criterion":200,"score":128},{"criterion":203,"score":259},{"criterion":206,"score":259},{"criterion":210,"score":121},{"criterion":213,"score":143},[411,412,413],"MSP-only design with ConnectWise, Autotask and Halo PSA integrations.","Monthly billing synced to Microsoft licence counts.","SOC 2 Type II and ISO 27001 listed; separate EU and US portals.",[415,416,271],"Google Workspace not documented on the vendor site.","Detection approach and AI claims not stated.","Quote-based; per mailbox, synced to Microsoft licensing","Gateway (MX), API, or both","Separate EU and US portals; hosting location not stated","https:\u002F\u002Fwww.meshsecurity.io\u002F",{"name":169,"bestFor":422,"summary":423,"score":424,"scores":425,"pros":433,"cons":437,"pricing":441,"deployment":171,"platforms":442,"hosting":443,"to":444,"site":445,"source":176},"MSPs that want Proofpoint filtering at small-business price points through a gateway.","Proofpoint Essentials is Proofpoint’s SMB line, sold through MSPs and resellers and deployed as an MX gateway; Proofpoint now runs its MSP business through Hornetsecurity. Proofpoint does not publish a price list, but one US reseller lists Business at $3.93, Advanced at $5.37 and Professional at $8.14 per user per month for 1 to 25 users, with Plus variants adding AI-based BEC detection. DLP is in every tier; encryption and archiving come higher up.",5.9,[426,427,428,429,430,431,432],{"criterion":193,"score":259},{"criterion":197,"score":135},{"criterion":200,"score":135},{"criterion":203,"score":135},{"criterion":206,"score":135},{"criterion":210,"score":128},{"criterion":213,"score":259},[434,435,436],"Proofpoint engine at SMB price points.","DLP in every tier; encryption and archiving in higher tiers.","Reseller list prices available.",[438,439,440],"MX gateway changes each client’s mail routing.","No Proofpoint-published price list.","Product direction after the Hornetsecurity deal not published.","Reseller list: Business $3.93, Advanced $5.37, Professional $8.14 per user\u002Fmonth (1–25 users)","Microsoft 365; other mail hosts via MX","Subprocessor list names AWS Frankfurt and data centres in Germany and the Netherlands","\u002Fen\u002Fcompare\u002Fsentaro-vs-proofpoint","https:\u002F\u002Fwww.proofpoint.com",{"name":178,"bestFor":447,"summary":448,"score":449,"scores":450,"pros":458,"cons":462,"pricing":465,"deployment":466,"platforms":165,"hosting":467,"to":468,"site":469,"source":184},"MSPs selling Microsoft 365 clients one tiered licence for filtering, archiving, backup and training.","Hornetsecurity, owned by Proofpoint since 8 December 2025, runs as Proofpoint’s MSP and SMB unit, with 125,000+ customers through 12,000+ MSPs and channel partners per Proofpoint. 365 Total Protection comes in four plans, from filtering and encryption up to backup, awareness training and DMARC management, and runs in MX, API or hybrid mode. The vendor states it uses 12 regional data centers independent of Microsoft’s infrastructure. It covers Microsoft 365 only, and prices are not published.",5.7,[451,452,453,454,455,456,457],{"criterion":193,"score":135},{"criterion":197,"score":121},{"criterion":200,"score":262},{"criterion":203,"score":121},{"criterion":206,"score":259},{"criterion":210,"score":207},{"criterion":213,"score":259},[459,460,461],"One tiered licence from filtering to backup and compliance.","Very large MSP channel, now backed by Proofpoint.","European data centres, per the vendor.",[463,271,464],"Microsoft 365 only.","BEC-specific detection not documented on the product page.","Quote-based; tiered plans via partners","MX, API or hybrid modes","Vendor: “12 regional data centers, independent of Microsoft’s infrastructure”","\u002Fen\u002Fcompare\u002Fsentaro-vs-hornetsecurity","https:\u002F\u002Fwww.hornetsecurity.com\u002Fen\u002F365-total-protection\u002F",{"t":471,"id":472,"title":473,"blocks":474},"prose","how-to-choose","How to choose email security for an MSP",[475,478,481,483,485,487,489,498,500],{"t":476,"text":477},"p","Price the operation, not the licence. Take one typical client, say 40 mailboxes on Microsoft 365, and work out four numbers for each shortlisted tool: the hours to onboard it, the change risk to its mail flow, the alerts per month you will have to answer, and the margin at the price you can quote. A tool that is $1 cheaper per seat but needs an MX cutover and generates daily tickets costs more.",{"t":479,"text":480},"h3","API or gateway for client tenants?",{"t":476,"text":482},"Gateways such as Proofpoint Essentials, SpamTitan and Mesh Gateway sit in front of the mailbox and need an MX change per client, plus a plan for what happens if the gateway is unavailable. API-based tools such as Sentaro, Guardz, IRONSCALES, Acronis and Barracuda connect to Microsoft 365 or Google Workspace and leave routing alone, so onboarding is a consent screen rather than a change window. INKY sits between the two: no MX change, but connectors and mail-flow rules per tenant.",{"t":479,"text":484},"Suite or focused detection layer?",{"t":476,"text":486},"Guardz, Acronis, Barracuda and Hornetsecurity let you sell one bundle per client that includes endpoint, backup or archiving. That simplifies the contract but ties detection quality to whatever engine the bundle carries; Guardz uses Check Point Harmony and Acronis uses Perception Point, now owned by Fortinet. A focused layer such as Sentaro does detection only and runs next to the client’s existing backup and native filtering, which is often easier to add to an existing stack than to replace a suite.",{"t":479,"text":488},"Questions to ask every vendor before you sign",{"t":490,"items":491},"ul",[492,493,494,495,496,497],"Is there a client price I can quote without calling you, and is it the same price the client would pay directly?","Is billing monthly per active seat, and are there committed minimums or annual commitments per tenant?","How long does onboarding one tenant take, and does it touch MX, connectors or transport rules?","How many alerts per tenant per month should I expect, and which ones need a human decision?","Which PSA and RMM tools do you integrate with, and is billing synced automatically?","Where is client mail processed and stored, and where is the subprocessor list? EU clients will ask.",{"t":479,"text":499},"How the Sentaro partner program works",{"t":476,"text":501},"Sentaro has three tiers. Referral partners refer clients and earn commission, with no support obligation and no minimum volume. Reseller partners get full revenue sharing with volume discounts, multi-tenant management and their own first-line relationship with the client. Strategic partners get custom pricing, white-label delivery and co-selling. Under the MSP Partner Agreement, Sentaro provides second-line support and sales enablement, and gives 60 days’ notice of list-price changes. Commission and discount rates are set in the agreement, not published. Details and the application are on \u002Fen\u002Femail-security-for-msps and \u002Fen\u002Fpartners\u002Fresellers.",{"t":503,"tone":504,"title":505,"text":506},"callout","roadmap","Roadmap: Identity and Behavioral vectors, Q4 2026","Message and App are live; Identity and Behavioral reach general availability in Q4 2026, included at no added cost, so partners do not re-sell an upgrade. Leaked-credential alerts and account-takeover session signals belong to those vectors and are not scored here.",{"t":508,"intro":509,"items":510},"certs","Sentaro’s own status, stated exactly. MSP clients in regulated sectors will ask for it.",[511,516,519,523,529],{"label":512,"status":513,"state":514,"text":515},"SOC 2","In progress","progress","Certification in progress. Evidence pack on request. No target date is published.",{"label":517,"status":513,"state":514,"text":518},"ISO 27001","Certification in progress. Evidence pack on request.",{"label":520,"status":521,"state":522},"Google CASA","Verified API integration","done",{"label":524,"status":525,"state":526,"text":527,"to":528},"MSP Partner Agreement","Published","info","Non-exclusive, 12-month term with auto-renewal.","\u002Fen\u002Flegal\u002Fpartner",{"label":530,"status":525,"state":526,"to":531},"DPA and subprocessors","\u002Fen\u002Flegal\u002Fdpa",[533,536,539,542,545,548,551],{"q":534,"a":535},"What is the best email security for MSPs?","Sentaro is the best email security for MSPs serving Microsoft 365 and Google Workspace clients. Each client tenant connects over API in about four minutes with no MX change, the dashboard is multi-tenant and white-label ready, alerts fire only when a decision is needed, and clients pay a public $6 per protected account per month. Guardz and IRONSCALES are strong alternatives for MSPs that want a wider bundle or simulation.",{"q":537,"a":538},"What should an MSP look for in an email security platform?","Onboarding that does not touch mail routing, one multi-tenant console with per-tenant policy, low alert volume, a price you can quote without the vendor, monthly per-seat billing without large minimums, and detection for business email compromise, which costs clients more than malware. PSA integration and billing sync matter once you pass a few dozen tenants.",{"q":540,"a":541},"Do MSP email security vendors publish their partner margins?","None of the vendors on this list publishes partner discounts or margins. Sentaro publishes the client price ($6 per protected account per month) and its tier structure, and says the partner share is paid yearly with volume discounts; the rates are in the partner agreement. Proofpoint Essentials prices appear only on reseller sites.",{"q":543,"a":544},"Is API-based or gateway email security better for MSPs?","For Microsoft 365 and Google Workspace clients, API-based tools are usually faster to roll out because there is no MX change per tenant and no single point of failure in front of mail. Gateways still fit clients with on-premises mail servers or a requirement to filter before Microsoft or Google sees the message.",{"q":546,"a":547},"Can I white-label Sentaro for my clients?","Sentaro describes its reseller offer as “White-label ready, multi-tenant”, and white-label delivery is part of the Strategic partner tier. Ask Sentaro which branding options apply to your tier when you apply through \u002Fen\u002Fpartners\u002Fresellers.",{"q":549,"a":550},"Which MSP email security tools cover Google Workspace?","Sentaro, Guardz, IRONSCALES, Acronis, Barracuda and INKY document both Microsoft 365 and Google Workspace. Hornetsecurity 365 Total Protection documents Microsoft 365 only, Mesh lists Google Workspace only in third-party sources, and TitanHQ mentions it in a PhishTitan FAQ.",{"q":552,"a":553},"Why do Acronis and Guardz rank themselves first on their own MSP lists?","Most vendor-published “best” lists put the publisher first, and this one does too: Sentaro publishes it and ranks itself first. That is why the weights, per-criterion scores and sources are on the page, so you can re-weight the criteria for your own book and see whether the order changes.",[555,558,561,564,567,569,571,573,576,578,581,584,587,589,592,594,597,600,602,605,608,611,614,617],{"label":556,"url":557},"Sentaro: Reseller and MSP partner program","https:\u002F\u002Fsentaro.com\u002Fen\u002Fpartners\u002Fresellers",{"label":559,"url":560},"Sentaro pricing","https:\u002F\u002Fsentaro.com\u002Fen\u002Fpricing",{"label":562,"url":563},"Sentaro Data Processing Agreement and subprocessor list","https:\u002F\u002Fsentaro.com\u002Fen\u002Flegal\u002Fdpa",{"label":565,"url":566},"Guardz: Pricing (accessed 2026-10-21)","https:\u002F\u002Fguardz.com\u002Fpricing\u002F",{"label":568,"url":277},"Guardz: Email security (accessed 2026-10-21)",{"label":570,"url":328},"Acronis: Email Security for Cyber Protect Cloud (accessed 2026-10-21)",{"label":572,"url":302},"IRONSCALES: Home page (accessed 2026-10-18)",{"label":574,"url":575},"IRONSCALES: Pricing (accessed 2026-10-18)","https:\u002F\u002Fironscales.com\u002Fpricing",{"label":577,"url":352},"Barracuda: Email Protection (accessed 2026-10-18)",{"label":579,"url":580},"Barracuda: Email Protection plans (accessed 2026-10-18)","https:\u002F\u002Fwww.barracuda.com\u002Fproducts\u002Femail-protection\u002Fplans",{"label":582,"url":583},"TitanHQ: PhishTitan phishing protection (accessed 2026-10-21)","https:\u002F\u002Fwww.titanhq.com\u002Fphishing-protection\u002F",{"label":585,"url":586},"Bregal Milestone: CyberSentriq formed from Redstor and TitanHQ (June 2025)","https:\u002F\u002Fbregal.com\u002Fnews\u002Fbregal-milestone-unveils-new-cybersecurity-champion-cybersentriq",{"label":588,"url":397},"INKY: Home page (accessed 2026-10-21)",{"label":590,"url":591},"INKY Help Center: Kaseya acquisition and licensing","https:\u002F\u002Fhelp.inky.com\u002Farticles\u002F4364819-kaseya-acquisition",{"label":593,"url":420},"Mesh: Email security for MSPs (accessed 2026-10-21)",{"label":595,"url":596},"Bitdefender: Completes acquisition of Mesh Security (July 2025)","https:\u002F\u002Fwww.bitdefender.com\u002Fen-us\u002Fnews\u002Fbitdefender-completes-acquisition-of-mesh-security",{"label":598,"url":599},"Iron Cove Solutions (reseller): Proofpoint Essentials pricing 2026 (accessed 2026-10-21)","https:\u002F\u002Fironcovesolutions.com\u002Fpricing\u002Fproofpoint-essentials\u002F",{"label":601,"url":469},"Hornetsecurity: 365 Total Protection plans (accessed 2026-10-21)",{"label":603,"url":604},"Proofpoint: Proofpoint completes acquisition of Hornetsecurity (December 2025)","https:\u002F\u002Fwww.proofpoint.com\u002Fus\u002Fnewsroom\u002Fpress-releases\u002Fproofpoint-completes-acquisition-hornetsecurity",{"label":606,"url":607},"Sentaro: MSP Partner Agreement","https:\u002F\u002Fsentaro.com\u002Fen\u002Flegal\u002Fpartner",{"label":609,"url":610},"Fortinet: FortiMail Workspace Security (formerly Perception Point)","https:\u002F\u002Fwww.fortinet.com\u002Fproducts\u002Ffortimail-workspace-security",{"label":612,"url":613},"IRONSCALES: List of current sub-processors (PDF, December 2024; accessed 2026-10-21)","https:\u002F\u002Fironscales.com\u002Fhubfs\u002FPDFs\u002FIRONSCALES%20Sub%20Processors.pdf",{"label":615,"url":616},"Barracuda Trust Center: Data center locations (accessed 2026-10-21)","https:\u002F\u002Ftrust.barracuda.com\u002Flegal\u002Fdata-center-locations",{"label":618,"url":619},"Proofpoint: Third-party service providers and subprocessors (updated 14 October 2026; accessed 2026-10-21)","https:\u002F\u002Fwww.proofpoint.com\u002Fus\u002Flegal\u002Ftrust\u002Fsubprocessors","Sentaro publishes this list and ranks itself first; scores use the method above and public vendor documentation as of 21 October 2026. Sentaro also runs an MSP partner program. Product capabilities and prices change; check each vendor’s current documentation. Trademarks belong to their owners. Corrections: contact Sentaro.",[622,624,627,630,633,635],{"label":623,"to":250},"Sentaro for MSPs: partner program",{"label":625,"to":626},"Reseller and MSP partners","\u002Fen\u002Fpartners\u002Fresellers",{"label":628,"to":629},"Best email security for small business","\u002Fen\u002Fbest\u002Femail-security-for-small-business",{"label":631,"to":632},"Best anti-phishing software","\u002Fen\u002Fbest\u002Fanti-phishing-software",{"label":634,"to":301},"Sentaro vs IRONSCALES",{"label":636,"to":637},"Pricing","\u002Fen\u002Fpricing",{"links":639,"only":645,"labels":647},[640,643],{"label":641,"to":642},"Google Workspace","\u002Fen\u002Fplatforms\u002Fgoogle-workspace-email-security",{"label":165,"to":644},"\u002Fen\u002Fplatforms\u002Fmicrosoft-365-email-security",{"6":646},[644,642],{"\u002Fen\u002Femail-security-for-msps":648,"\u002Fen\u002Fcompare\u002Fsentaro-vs-ironscales":634,"\u002Fen\u002Fcompare\u002Fsentaro-vs-barracuda":649,"\u002Fen\u002Fcompare\u002Fsentaro-vs-proofpoint":650,"\u002Fen\u002Fcompare\u002Fsentaro-vs-hornetsecurity":651},"Email security for MSPs","Sentaro vs Barracuda","Sentaro vs Proofpoint","Sentaro vs Hornetsecurity",1792761724888]