SpamTitan mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 14, 2026), SpamTitan is the mailbox provider for 92 domains — 0.01% of 674,487 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 92 domains in the Tranco top-1M use SpamTitan (0.01% of domains with MX records).
- Snapshot date: 2026-09-14 — recomputed every day.
- Strongest TLD: .com (66.3% of its domains).
- Region skew: Global / US-skewed.
- Most co-used service: Amazon SES.
- Directory category: email security gateway.
Why SpamTitan appears in this category
TitanHQ Irish anti-spam (on-prem + cloud).
We classify it as a email security gateway from primary MX record (lowest preference) matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
SpamTitan appears as a primary mail exchanger across the Tranco top-1M list, functioning as a mailbox provider for smaller and mid-market organisations rather than the world's largest brands. Its presence concentrates within the .com domain space.
For email professionals, SpamTitan's frequent co-occurrence with Amazon SES points to a specific user demographic: cost-conscious organisations seeking managed mail infrastructure. Understanding this footprint matters when managing mail flows and authentication practices across diverse hosting stacks.
Where SpamTitan sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 1.1% |
| Top 100,000 | 6 | 6.5% |
| Top 1,000,000 | 84 | 91.3% |
| Unranked | 1 | 1.1% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 61 | 66.3% | |
| .org | 12 | 13.0% | |
| .co.uk | 5 | 5.4% | |
| .net | 3 | 3.3% | |
| .ie | 3 | 3.3% | |
| .ca | 2 | 2.2% | |
| .sc | 1 | 1.1% | |
| .dk | 1 | 1.1% | |
| .jm | 1 | 1.1% | |
| .com.br | 1 | 1.1% |
What SpamTitan users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 92 domains.
| Type | Service | Domains | Share of SpamTitan users |
|---|---|---|---|
| ESP | Amazon SES | 11 | 12.0% |
| ESP | SendGrid (Twilio) | 10 | 10.9% |
| ESP | Mailgun | 9 | 9.8% |
| ESP | Mailchimp | 8 | 8.7% |
| ESP | Mandrill | 7 | 7.6% |
| ESP | HubSpot | 7 | 7.6% |
| ESP | Salesforce | 5 | 5.4% |
| ESP | Mailjet (Sinch) | 3 | 3.3% |
| ESP | Zendesk | 3 | 3.3% |
| ESP | Postmark | 3 | 3.3% |
Long-tail prevalence and implications for mid-market targeting
SpamTitan's position among smaller deployments, particularly when appearing alongside Amazon SES, reflects its role in the managed mail ecosystem for organisations below enterprise scale. Deliverability practitioners should monitor SpamTitan's reputation and authentication stance when specifically targeting mid-market segments, though its position in the long tail means it rarely drives baseline strategy for senders focused on large enterprises.
See the full SpamTitan data page (KPI cards, trend, sample domains) →
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Frequently asked questions
Should I test email deliverability against SpamTitan?
If your recipients include mid-market and smaller organisations, or if you deploy via SpamTitan yourself, testing its authentication and filtering stance is prudent. For senders targeting primarily large enterprises, SpamTitan is unlikely to be a key deliverability concern.
How many domains use SpamTitan?
92 domains in the Tranco top-1M use SpamTitan as their mailbox provider as of September 14, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is SpamTitan common enough to affect email deliverability testing?
SpamTitan accounts for 0.01% of domains with MX records in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Which countries or TLDs use SpamTitan most?
SpamTitan's largest TLD is .com (66.3% of its domains); it appears across 12 TLDs in total.