Box email provider statistics and deliverability context
← Email Stats homesaas
According to Live Direct Marketing's daily Tranco top-1M scan (September 5, 2026), Box is the SaaS sender for 333 domains — 0.05% of 633,359 SPF-publishing domains. Its strongest TLD is .com (42.3% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-05 DNS snapshot.
What Box represents in this dataset
Box — US enterprise cloud content management and file-sharing platform sending share and collaboration notifications.
Directory category: Saas. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-05 snapshot shows about Box
Across 76 distinct TLDs its top three are .com (42.3%), .co.jp (8.1%), .com.mx (3.9%) — together 54.4% of the 333 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Google Workspace (Mailbox, 107 domains, 32.1% of them), followed by Microsoft 365 (18.6%). Directly comparable by the same detection rule: Shopify, Pardot (Salesforce), CodeTwo Email Signatures 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-05); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with Box
What else the same 333 domains use — cross-tabulated from the same daily snapshot (2026-09-05).
| Type | Service | Domains | Share of Box users |
|---|---|---|---|
| Mailbox | Google Workspace | 107 | 32.1% |
| Mailbox | Microsoft 365 | 62 | 18.6% |
| Mailbox | Runbox | 56 | 16.8% |
| Mailbox | Self-Hosted | 51 | 15.3% |
| Mailbox | Unknown / Other | 14 | 4.2% |
| Mailbox | Generic / unmatched (mx*.*) | 7 | 2.1% |
TLD distribution (top 30 of 76)
Frequently asked questions
How many domains use Box?
333 domains in the Tranco top-1M use Box as their SaaS sender as of September 5, 2026, according to Live Direct Marketing's daily DNS scan.
What is Box's market share?
Box holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-05). The number is recomputed every day.
What are the biggest alternatives to Box?
The largest SaaS senders in the same category by Tranco top-1M share are: Shopify, Pardot (Salesforce), CodeTwo Email Signatures 365, KnowBe4, Statuspage (Atlassian) (as of 2026-09-05).
Largest SaaS senders in this category
Shopify (0.86%) · Pardot (Salesforce) (0.74%) · CodeTwo Email Signatures 365 (0.70%) · KnowBe4 (0.53%) · Statuspage (Atlassian) (0.32%) · BigCommerce (0.29%) · Trustpilot (0.29%) · Firebase (Google) (0.29%) · Atlassian (Jira/Confluence) (0.28%) · Lark / Feishu (0.20%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 333 domains.