FormAssembly email provider statistics and deliverability context
← Email Stats homesaas
According to Live Direct Marketing's daily Tranco top-1M scan (September 19, 2026), FormAssembly is the SaaS sender for 458 domains — 0.07% of 642,799 SPF-publishing domains. Its share has been stable over the last 30 days. Its strongest TLD is .org (52.2% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-19 DNS snapshot.
What FormAssembly represents in this dataset
FormAssembly — enterprise web-form and data-collection platform with strong Salesforce integration.
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 2026-09-19 snapshot shows about FormAssembly
Across 19 distinct TLDs its top three are .org (52.2%), .com (18.6%), .edu (13.8%) — together 84.5% of the 458 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is Microsoft 365 (Mailbox, 228 domains, 49.8% of them), followed by Google Workspace (24.7%). Its share of SPF-publishing domains has not moved measurably in 30 days. 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 (2026-09-19); 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 FormAssembly
What else the same 458 domains use — cross-tabulated from the same daily snapshot (2026-09-19).
| Type | Service | Domains | Share of FormAssembly users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 228 | 49.8% |
| Mailbox | Google Workspace | 113 | 24.7% |
| Mailbox | Mimecast | 34 | 7.4% |
| Mailbox | Barracuda | 18 | 3.9% |
| Mailbox | Proofpoint | 16 | 3.5% |
| Mailbox | Unknown / Other | 15 | 3.3% |
TLD distribution (top 19 of 19)
Frequently asked questions
How many domains use FormAssembly?
458 domains in the Tranco top-1M use FormAssembly as their SaaS sender as of September 19, 2026, according to Live Direct Marketing's daily DNS scan.
What is FormAssembly's market share?
FormAssembly holds 0.07% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-19). The number is recomputed every day.
Is FormAssembly growing or declining?
FormAssembly's share has been stable over the last 30 days (±0.01 pp).
What are the biggest alternatives to FormAssembly?
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 2026-09-19).
Largest SaaS senders in this category
Shopify (0.85%) · Pardot (Salesforce) (0.74%) · CodeTwo Email Signatures 365 (0.71%) · KnowBe4 (0.54%) · Statuspage (Atlassian) (0.32%) · Firebase (Google) (0.29%) · Trustpilot (0.29%) · Atlassian (Jira/Confluence) (0.28%) · BigCommerce (0.27%) · Lark / Feishu (0.20%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 458 domains.