According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Microsoft SharePoint is the SaaS sender for 123 domains — 0.02% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Microsoft SharePoint is a document collaboration and content management platform operated by Microsoft, available as a cloud service within Microsoft 365 and as an on-premises solution. It enables organisations to store, organise, and share documents, with integrated workflows and notifications that generate email on behalf of user domains.
SharePoint's footprint in email infrastructure concentrates in smaller and mid-market organisations rather than major enterprises, distributed across multiple top-level domains with .com predominant. When SharePoint sends notifications, alerts, or workflow-triggered messages from a domain, those emails must authenticate using that domain's SPF, DKIM, and DMARC records—meaning SharePoint's presence in a domain's email infrastructure can directly affect reputation and inbox placement for organisations that rely on it.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 4 | 3.3% |
| Top 100,000 | 15 | 12.2% |
| Top 1,000,000 | 99 | 80.5% |
| Unranked | 5 | 4.1% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 44 | 35.8% | |
| .org | 20 | 16.3% | |
| .co.uk | 9 | 7.3% | |
| .de | 6 | 4.9% | |
| .be | 5 | 4.1% | |
| .pl | 5 | 4.1% | |
| .ca | 3 | 2.4% | |
| .fr | 3 | 2.4% | |
| .co.jp | 2 | 1.6% | |
| .it | 2 | 1.6% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 123 domains.
| Type | Service | Domains | Share of Microsoft SharePoint users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 93 | 75.6% |
| Mailbox | Proofpoint | 6 | 4.9% |
| Mailbox | Self-Hosted | 5 | 4.1% |
| Mailbox | Mimecast | 5 | 4.1% |
| Mailbox | Unknown / Other | 4 | 3.3% |
| Mailbox | Barracuda | 4 | 3.3% |
SharePoint sends transactional email—notifications, alerts, and workflow-triggered messages—which requires it to authenticate on behalf of customer domains. This is reflected in SPF records as include mechanisms pointing to Microsoft's sender infrastructure. Because SharePoint sits between the domain and recipient mailboxes, domain owners must ensure their SPF, DKIM, and DMARC configuration explicitly permits Microsoft's infrastructure; misalignment between a domain's authentication records and SharePoint's actual sending behaviour can trigger authentication failures, which modern mailbox providers interpret as a deliverability risk.
See the full Microsoft SharePoint data page (KPI cards, trend, sample domains) →
Yes. SharePoint sends workflow notifications and alerts using your domain as the sender, so your domain's SPF, DKIM, and DMARC records must be configured to permit Microsoft's email infrastructure. Misconfiguration can cause deliverability problems.
123 domains in the Tranco top-1M use Microsoft SharePoint as their SaaS sender as of July 13, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Microsoft SharePoint accounts for 0.02% 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.
Microsoft SharePoint's largest TLD is .com (35.8% of its domains); it appears across 32 TLDs in total.