According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Chargify (Maxio) is the SaaS sender for 161 domains — 0.03% of 617,244 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Chargify, now operating under its parent company Maxio, is a SaaS billing and subscription management platform that sends transactional and marketing email on behalf of its customers' domains. The company provides email infrastructure integration so that subscription renewal notices, invoices, and other billing communications appear to originate from the customer's own domain rather than Chargify's.
Chargify's presence in email infrastructure is concentrated amongst smaller and mid-market organisations rather than large enterprises, predominantly in the .com namespace. The platform is frequently deployed alongside Google Workspace, suggesting it serves organisations that already use Google's email service and need to scale billing-related communications. For email professionals receiving or sending mail involving Chargify, this footprint pattern indicates a widespread but geographically dispersed user base of smaller companies rather than a dominant platform within individual vertical markets.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 3 | 1.9% |
| Top 100,000 | 43 | 26.7% |
| Top 1,000,000 | 102 | 63.4% |
| Unranked | 13 | 8.1% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 121 | 75.2% | |
| .io | 12 | 7.5% | |
| .com.au | 8 | 5.0% | |
| .org | 5 | 3.1% | |
| .co | 3 | 1.9% | |
| .cloud | 2 | 1.2% | |
| .co.uk | 2 | 1.2% | |
| .app | 1 | 0.6% | |
| .md | 1 | 0.6% | |
| .it | 1 | 0.6% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 161 domains.
| Type | Service | Domains | Share of Chargify (Maxio) users |
|---|---|---|---|
| Mailbox | Google Workspace | 103 | 64.0% |
| Mailbox | Microsoft 365 | 40 | 24.8% |
| Mailbox | Self-Hosted | 4 | 2.5% |
| Mailbox | Mimecast | 4 | 2.5% |
| Mailbox | Proofpoint | 3 | 1.9% |
| Mailbox | Unknown / Other | 2 | 1.2% |
Chargify publishes SPF include mechanisms that allow customers to authorise the platform to send email from their domains. This delegation pattern is common amongst transactional email providers: rather than customers maintaining their own mail infrastructure, they add Chargify's SPF record to their domain's authentication policy. When Chargify sits alongside Google Workspace in the same domain's SPF configuration, both services are authorised to send on the domain's behalf, creating a layered authentication setup where DKIM signing practices and authentication chain integrity matter for overall deliverability.
See the full Chargify (Maxio) data page (KPI cards, trend, sample domains) →
Chargify is a subscription billing platform that customers authorise to send email on their behalf by adding Chargify's SPF include to their domain's authentication record. This allows Chargify to deliver transactional mail such as invoices and renewal notices whilst appearing to originate from the customer's own domain.
161 domains in the Tranco top-1M use Chargify (Maxio) as their SaaS sender as of July 12, 2026 (0.03% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Chargify (Maxio) accounts for 0.03% 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.
Chargify (Maxio)'s largest TLD is .com (75.2% of its domains); it appears across 15 TLDs in total.