According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), HappyFox is the SaaS sender for 397 domains — 0.06% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
HappyFox is a cloud-based email delivery platform that sends messages on behalf of customer domains, identified across the internet through SPF authorisation records. Organisations use it to dispatch transactional and customer-facing emails from their own domain names using HappyFox's sending infrastructure.
Analysis of email infrastructure across the internet's top-1 million websites shows HappyFox concentrated among smaller and mid-market organisations rather than the largest global brands. It predominantly appears alongside .com domain registrations and frequently co-exists with Microsoft 365 in organisations running hybrid email stacks, where both Microsoft-hosted and third-party services handle email concurrently.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 3 | 0.8% |
| Top 100,000 | 52 | 13.1% |
| Top 1,000,000 | 309 | 77.8% |
| Unranked | 33 | 8.3% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 273 | 68.8% | |
| .org | 48 | 12.1% | |
| .edu | 15 | 3.8% | |
| .gov | 10 | 2.5% | |
| .net | 5 | 1.3% | |
| .co.uk | 4 | 1.0% | |
| .ca | 4 | 1.0% | |
| .com.au | 3 | 0.8% | |
| .nl | 3 | 0.8% | |
| .io | 3 | 0.8% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 397 domains.
| Type | Service | Domains | Share of HappyFox users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 165 | 41.6% |
| Mailbox | Google Workspace | 108 | 27.2% |
| Mailbox | Barracuda | 23 | 5.8% |
| Mailbox | Mimecast | 23 | 5.8% |
| Mailbox | Unknown / Other | 16 | 4.0% |
| Mailbox | Proofpoint Essentials | 12 | 3.0% |
HappyFox's distribution across many smaller domains rather than a few high-volume senders creates a dispersed reputation profile. This dispersion can provide some isolation from widespread reputation events affecting monolithic platforms, but organisations must recognise that shared infrastructure means poor sending practices by any HappyFox user — whether within their own organisation or elsewhere — may propagate to affect deliverability for the entire platform.
See the full HappyFox data page (KPI cards, trend, sample domains) →
HappyFox is a SaaS email delivery service used primarily by smaller and mid-market organisations to send mail from their own domains; it appears in SPF records as an authorised sender. Its long-tail footprint means it carries the aggregate reputation of many smaller senders rather than concentrated traffic from a single large platform.
397 domains in the Tranco top-1M use HappyFox as their SaaS sender as of July 13, 2026 (0.06% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
HappyFox accounts for 0.06% of SPF-publishing domains 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.
HappyFox's largest TLD is .com (68.8% of its domains); it appears across 36 TLDs in total.