ImprovMX (forwarding) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 14, 2026), ImprovMX (forwarding) is the mailbox provider for 764 domains — 0.11% of 674,487 domains with MX records. Its strongest TLD is .com (49.6% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-14 DNS snapshot.
What ImprovMX (forwarding) represents in this dataset
US email forwarding with web UI.
Directory category: Forwarder. 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 2026-09-14 snapshot shows about ImprovMX (forwarding)
Across 121 distinct TLDs its top three are .com (49.6%), .net (6.5%), .org (6.4%) — together 62.6% of the 764 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is ImprovMX (ESP, 658 domains, 86.1% of them), followed by Amazon SES (5.1%). 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 (2026-09-14); 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 ImprovMX (forwarding)
What else the same 764 domains use — cross-tabulated from the same daily snapshot (2026-09-14).
| Type | Service | Domains | Share of ImprovMX (forwarding) users |
|---|---|---|---|
| ESP | ImprovMX | 658 | 86.1% |
| ESP | Amazon SES | 39 | 5.1% |
| ESP | Mailgun | 34 | 4.5% |
| ESP | Mailjet (Sinch) | 22 | 2.9% |
| ESP | Zendesk | 21 | 2.7% |
| ESP | SendGrid (Twilio) | 19 | 2.5% |
| ESP | Namecheap Forwarding | 18 | 2.4% |
| ESP | SMTP.com | 13 | 1.7% |
| ESP | SparkPost | 10 | 1.3% |
| ESP | Brevo (ex-Sendinblue) | 9 | 1.2% |
TLD distribution (top 30 of 121)
Frequently asked questions
How many domains use ImprovMX (forwarding)?
764 domains in the Tranco top-1M use ImprovMX (forwarding) as their mailbox provider as of September 14, 2026, according to Live Direct Marketing's daily DNS scan.
What is ImprovMX (forwarding)'s market share?
ImprovMX (forwarding) holds 0.11% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-14). The number is recomputed every day.
What are the biggest alternatives to ImprovMX (forwarding)?
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 2026-09-14).
Largest mailbox providers in this category
Self-Hosted (22.46%) · Google Workspace (21.60%) · Microsoft 365 (16.95%) · Unknown / Other (6.60%) · Generic / unmatched (mx*.*) (2.54%) · Generic / unmatched (mail.*) (1.94%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.62%) · Mimecast (1.46%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 764 domains.