EmailSecurity.app gateway email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), EmailSecurity.app gateway is the mailbox provider for 248 domains — 0.04% of 675,489 domains with MX records. Its strongest TLD is .com (44.4% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-24 DNS snapshot.
What EmailSecurity.app gateway represents in this dataset
Niche email security gateway (multi-region MX).
Directory category: Gateway. The classification comes from primary MX record (lowest preference). 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 EmailSecurity.app gateway
Across 44 distinct TLDs its top three are .com (44.4%), .org (12.9%), .co.uk (10.9%) — together 68.1% of the 248 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is LibraESVA (ESP, 164 domains, 66.1% of them), followed by Mailchimp (9.7%). Directly comparable by the same detection rule: Self-Hosted, Google Workspace, Microsoft 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 (2026-09-24); a domain appears here when its published records match the primary MX record (lowest preference) rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with EmailSecurity.app gateway
What else the same 248 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of EmailSecurity.app gateway users |
|---|---|---|---|
| ESP | LibraESVA | 164 | 66.1% |
| ESP | Mailchimp | 24 | 9.7% |
| ESP | SendGrid (Twilio) | 24 | 9.7% |
| ESP | Amazon SES | 22 | 8.9% |
| ESP | Mailgun | 21 | 8.5% |
| ESP | Mandrill | 18 | 7.3% |
| ESP | HubSpot | 17 | 6.9% |
| ESP | Zendesk | 12 | 4.8% |
| ESP | Salesforce | 12 | 4.8% |
| ESP | Campaign Monitor | 8 | 3.2% |
TLD distribution (top 30 of 44)
Frequently asked questions
How many domains use EmailSecurity.app gateway?
248 domains in the Tranco top-1M use EmailSecurity.app gateway as their mailbox provider as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is EmailSecurity.app gateway's market share?
EmailSecurity.app gateway holds 0.04% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to EmailSecurity.app gateway?
The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-09-24).
Largest mailbox providers in this category
Self-Hosted (22.56%) · Google Workspace (21.58%) · Microsoft 365 (17.03%) · Unknown / Other (6.68%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.93%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.67%) · Mimecast (1.47%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 248 domains.