SpamHero email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), SpamHero is the email service provider (ESP) for 107 domains — 0.02% of 637,420 SPF-publishing domains. Its strongest TLD is .com (45.8% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-24 DNS snapshot.
What SpamHero represents in this dataset
SpamHero — email security gateway.
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 2026-09-24 snapshot shows about SpamHero
Across 29 distinct TLDs its top three are .com (45.8%), .com.au (8.4%), .net (7.5%) — together 61.7% of the 107 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Unknown / Other (Mailbox, 82 domains, 76.6% of them), followed by Self-Hosted (7.5%). 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 (2026-09-24); 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 SpamHero
What else the same 107 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of SpamHero users |
|---|---|---|---|
| Mailbox | Unknown / Other | 82 | 76.6% |
| Mailbox | Self-Hosted | 8 | 7.5% |
| Mailbox | Microsoft 365 | 8 | 7.5% |
| Mailbox | Google Workspace | 5 | 4.7% |
| Mailbox | Hornetsecurity | 1 | 0.9% |
| Mailbox | Proofpoint Essentials | 1 | 0.9% |
| ESP | Mailchimp | 13 | 12.1% |
| ESP | SendGrid (Twilio) | 12 | 11.2% |
| ESP | Amazon SES | 11 | 10.3% |
| ESP | Mandrill | 8 | 7.5% |
TLD distribution (top 29 of 29)
Frequently asked questions
How many domains use SpamHero?
107 domains in the Tranco top-1M use SpamHero as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is SpamHero's market share?
SpamHero holds 0.02% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to SpamHero?
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 2026-09-24).
Largest email service provider (ESP)s in this category
Amazon SES (6.23%) · SendGrid (Twilio) (4.68%) · Mailgun (4.01%) · Zendesk (3.77%) · Mailchimp (3.61%) · Mandrill (3.26%) · HubSpot (3.18%) · Salesforce (2.57%) · Mailjet (Sinch) (2.14%) · Cloudflare Email Routing (1.96%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 107 domains.