Proofpoint Essentials email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), Proofpoint Essentials is the email service provider (ESP) for 1,005 domains — 0.16% of 631,089 SPF-publishing domains. Its strongest TLD is .com (70.0% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What Proofpoint Essentials represents in this dataset
Proofpoint Essentials cloud gateway for SMB (ppe-hosted.com).
Directory category: Gateway. 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 2026-09-11 snapshot shows about Proofpoint Essentials
Across 53 distinct TLDs its top three are .com (70.0%), .org (11.4%), .ca (2.6%) — together 84.0% of the 1,005 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 Proofpoint Essentials (Mailbox, 863 domains, 85.9% of them), followed by Microsoft 365 (10.0%). Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-11); 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 Proofpoint Essentials
What else the same 1,005 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of Proofpoint Essentials users |
|---|---|---|---|
| Mailbox | Proofpoint Essentials | 863 | 85.9% |
| Mailbox | Microsoft 365 | 100 | 10.0% |
| Mailbox | Google Workspace | 17 | 1.7% |
| Mailbox | Proofpoint | 14 | 1.4% |
| Mailbox | Mimecast | 3 | 0.3% |
| Mailbox | Barracuda | 2 | 0.2% |
| ESP | SendGrid (Twilio) | 95 | 9.5% |
| ESP | HubSpot | 85 | 8.5% |
| ESP | Mandrill | 62 | 6.2% |
| ESP | Mailchimp | 62 | 6.2% |
TLD distribution (top 30 of 53)
Frequently asked questions
How many domains use Proofpoint Essentials?
1,005 domains in the Tranco top-1M use Proofpoint Essentials as their email service provider (ESP) as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is Proofpoint Essentials's market share?
Proofpoint Essentials holds 0.16% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to Proofpoint Essentials?
The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-09-11).
Largest email service provider (ESP)s in this category
Amazon SES (6.17%) · SendGrid (Twilio) (4.63%) · Mailgun (4.00%) · Zendesk (3.76%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.10%) · Salesforce (2.54%) · Mailjet (Sinch) (2.12%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 1,005 domains.