saas
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), SchoolMessenger is the SaaS sender for 250 domains — 0.04% of 617,702 SPF-publishing domains. Its strongest TLD is .org (47.2% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 250 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of SchoolMessenger users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 98 | 39.2% |
| Mailbox | Google Workspace | 96 | 38.4% |
| Mailbox | Barracuda | 11 | 4.4% |
| Mailbox | Proofpoint | 10 | 4.0% |
| Mailbox | Self-Hosted | 10 | 4.0% |
| Mailbox | Unknown / Other | 9 | 3.6% |
250 domains in the Tranco top-1M use SchoolMessenger as their SaaS sender as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
SchoolMessenger holds 0.04% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.
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 2026-07-13).
Shopify (0.87%) · Pardot (Salesforce) (0.79%) · CodeTwo Email Signatures 365 (0.71%) · KnowBe4 (0.56%) · Statuspage (Atlassian) (0.34%) · Trustpilot (0.30%) · Atlassian (Jira/Confluence) (0.30%) · Firebase (Google) (0.29%) · BigCommerce (0.22%) · Lark / Feishu (0.21%)
Showing 100 of 250 domains.