Hornetsecurity (AntispamEurope) mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Hornetsecurity (AntispamEurope) is the mailbox provider for 207 domains — 0.03% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

Hornetsecurity, also known as AntispamEurope, is a German-based email hosting and filtering service that provides mailbox services and anti-spam protection, primarily for organisations throughout Central Europe. It operates independently from the larger global email providers and serves a substantial base of smaller to medium-sized businesses and domains.

For email practitioners, Hornetsecurity's presence in the long tail of European email infrastructure — particularly concentrated in the German .de domain space — signals that regional and geographic variations in email policy matter. Senders targeting European recipients should account for its filtering rules as a distinct layer in their deliverability testing; receiving organisations using Hornetsecurity need to understand how its policies shape inbound mail handling and filtering behaviour.

Where Hornetsecurity (AntispamEurope) sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00000.0%
Top 100,0002411.6%
Top 1,000,00016981.6%
Unranked146.8%

Top-level domain split

TLDDomainsShare
.de10349.8%
.com5426.1%
.net83.9%
.at83.9%
.info41.9%
.eu31.4%
.ch31.4%
.co.uk31.4%
.si21.0%
.nl21.0%

What Hornetsecurity (AntispamEurope) users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 207 domains.

TypeServiceDomainsShare of Hornetsecurity (AntispamEurope) users
ESPHornetsecurity14469.6%
ESPHubSpot167.7%
ESPSendGrid (Twilio)157.2%
ESPConstant Contact157.2%
ESPSalesforce146.8%
ESPMailjet (Sinch)136.3%
ESPAmazon SES115.3%
ESPBrevo (ex-Sendinblue)94.3%
ESPZendesk94.3%
ESPNewsletter2Go (Brevo)62.9%

German-speaking market concentration and testing implications

Hornetsecurity's strong footprint in Germany and the German-speaking region, combined with its long-tail positioning away from dominant global brands, means that email campaigns and infrastructure built solely around North American or United Kingdom ISP standards will encounter gaps in Central European markets. Deliverability practitioners should treat Hornetsecurity as a distinct test case when recipients include German organisations, as its filtering rules, authentication expectations, and sender-reputation thresholds often differ from larger international providers.

See the full Hornetsecurity (AntispamEurope) data page (KPI cards, trend, sample domains) →

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Frequently asked questions

Should I test my email campaigns against Hornetsecurity?

If a material portion of your recipients are in German-speaking regions, yes — Hornetsecurity's filtering and authentication policies differ from mainstream global providers, affecting inbox placement in Central Europe.

How many domains use Hornetsecurity (AntispamEurope)?

207 domains in the Tranco top-1M use Hornetsecurity (AntispamEurope) as their mailbox provider as of July 13, 2026 (0.03% of domains with MX records), according to Live Direct Marketing's daily DNS scan.

Is Hornetsecurity (AntispamEurope) common enough to affect email deliverability testing?

Hornetsecurity (AntispamEurope) accounts for 0.03% of domains with MX records in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.

Which countries or TLDs use Hornetsecurity (AntispamEurope) most?

Hornetsecurity (AntispamEurope)'s largest TLD is .de (49.8% of its domains); it appears across 25 TLDs in total.

Other mailbox providers

Self-Hosted (22.44%)Google Workspace (21.79%)Microsoft 365 (16.74%)Unknown / Other (7.54%)Generic / unmatched (mx*.*) (2.57%)Proofpoint (1.90%)Generic / unmatched (mail.*) (1.75%)Yandex 360 (1.64%)Cloudflare Email Routing (1.60%)Mimecast (1.52%)