esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Trend Micro Email Security is the email service provider (ESP) for 1,532 domains — 0.25% of 617,702 SPF-publishing domains. Its strongest TLD is .com (30.5% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 1,532 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of Trend Micro Email Security users |
|---|---|---|---|
| Mailbox | Trend Micro | 670 | 43.7% |
| Mailbox | Unknown / Other | 574 | 37.5% |
| Mailbox | Microsoft 365 | 173 | 11.3% |
| Mailbox | Self-Hosted | 35 | 2.3% |
| Mailbox | Google Workspace | 17 | 1.1% |
| Mailbox | Proofpoint | 12 | 0.8% |
| ESP | Amazon SES | 142 | 9.3% |
| ESP | Salesforce | 97 | 6.3% |
| ESP | Mailchimp | 89 | 5.8% |
| ESP | SendGrid (Twilio) | 79 | 5.2% |
1,532 domains in the Tranco top-1M use Trend Micro Email Security as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
Trend Micro Email Security holds 0.25% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.
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 2026-07-13).
Amazon SES (6.21%) · SendGrid (Twilio) (4.76%) · Mailgun (4.11%) · Zendesk (3.86%) · Mailchimp (3.69%) · Mandrill (3.36%) · HubSpot (3.18%) · Salesforce (2.62%) · Mailjet (Sinch) (2.13%) · Cloudflare Email Routing (1.80%)
Showing 100 of 1,532 domains.