According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Blackbaud Luminate (Convio) is the email service provider (ESP) for 294 domains — 0.05% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Blackbaud Luminate (formerly known as Convio) is a cloud-based engagement platform operated by Blackbaud, a provider of cloud computing and data security solutions. The platform includes email marketing capabilities used by organisations to manage donor communications, supporter outreach, and member engagement campaigns.
The platform is most commonly adopted by mid-sized and smaller organisations in the nonprofit sector (.org domains), rather than large enterprises. Because Blackbaud Luminate typically operates alongside Microsoft 365 infrastructure in these environments, organisations often maintain hybrid email flows where supporter communications route through Blackbaud whilst internal operations use Microsoft. This dual-path setup introduces considerations for email authentication alignment and sender reputation that infrastructure managers and mail administrators should account for when troubleshooting deliverability issues.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 3 | 1.0% |
| Top 100,000 | 56 | 19.0% |
| Top 1,000,000 | 226 | 76.9% |
| Unranked | 9 | 3.1% |
| TLD | Domains | Share | |
|---|---|---|---|
| .org | 241 | 82.0% | |
| .edu | 17 | 5.8% | |
| .com | 15 | 5.1% | |
| .ca | 14 | 4.8% | |
| .net | 5 | 1.7% | |
| .pk | 1 | 0.3% | |
| .org.uk | 1 | 0.3% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 294 domains.
| Type | Service | Domains | Share of Blackbaud Luminate (Convio) users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 171 | 58.2% |
| Mailbox | Google Workspace | 34 | 11.6% |
| Mailbox | Proofpoint | 15 | 5.1% |
| Mailbox | Unknown / Other | 15 | 5.1% |
| Mailbox | Barracuda | 14 | 4.8% |
| Mailbox | Mimecast | 13 | 4.4% |
| ESP | Blackbaud | 140 | 47.6% |
| ESP | Mailchimp | 32 | 10.9% |
| ESP | Salesforce | 32 | 10.9% |
| ESP | SendGrid (Twilio) | 28 | 9.5% |
Blackbaud Luminate's presence in email authentication is typically visible as SPF includes across smaller organisations and nonprofit domains. Because the platform operates in the long tail of ESP adoption, its sending infrastructure is distributed across many organisations with relatively modest per-domain volumes. Senders using Blackbaud Luminate should prioritise proper configuration of SPF, DKIM, and DMARC records, as this combination of smaller organisational sending patterns and long-tail provider status means that reputation and filtering decisions for Blackbaud Luminate traffic may differ materially from those applied to larger, more widely recognised providers.
See the full Blackbaud Luminate (Convio) data page (KPI cards, trend, sample domains) →
Blackbaud Luminate is a platform operated by Blackbaud that handles email and engagement workflows for nonprofits and mid-sized organisations, particularly those using .org domains. Email senders and infrastructure managers should be aware of it because it frequently coexists with Microsoft 365 systems and uses SPF-based authentication, potentially affecting authentication routing and deliverability in hybrid email environments.
294 domains in the Tranco top-1M use Blackbaud Luminate (Convio) as their email service provider (ESP) as of July 13, 2026 (0.05% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Blackbaud Luminate (Convio) accounts for 0.05% of SPF-publishing domains 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.
Blackbaud Luminate (Convio)'s largest TLD is .org (82.0% of its domains); it appears across 7 TLDs in total.