MsgApp SaaS sender
According to Live Direct Marketing's daily Tranco top-1M scan (September 12, 2026), MsgApp is the SaaS sender for 122 domains — 0.02% of 629,828 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 122 domains in the Tranco top-1M use MsgApp (0.02% of SPF-publishing domains).
- Snapshot date: 2026-09-12 — recomputed every day.
- Strongest TLD: .com (71.3% of its domains).
- Most co-used service: Microsoft 365.
- Directory category: SaaS sender.
Why MsgApp appears in this category
MsgApp — messaging API platform.
We classify it as a SaaS sender from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
MsgApp is a software-as-a-service platform that sends email on behalf of its customer domains. It is detected in email infrastructure via SPF include mechanisms published in domain DNS records, making its footprint visible whenever an organisation delegates delivery to its service.
MsgApp's adoption pattern — concentrated in the long tail of smaller sites rather than among global top-tier brands, and predominantly in the .com namespace — indicates it serves a specific market of smaller to mid-sized enterprises. Its frequent co-occurrence with Microsoft 365 suggests it is typically integrated into hybrid email stacks rather than deployed as the sole email provider. For anyone involved in sending or receiving email, this distributed presence means MsgApp is part of the broader ecosystem of third-party platforms handling significant message volume.
Where MsgApp sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.8% |
| Top 100,000 | 13 | 10.7% |
| Top 1,000,000 | 108 | 88.5% |
| Unranked | 0 | 0.0% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 87 | 71.3% | |
| .de | 8 | 6.6% | |
| .org | 7 | 5.7% | |
| .co.uk | 3 | 2.5% | |
| .se | 2 | 1.6% | |
| .mx | 2 | 1.6% | |
| .eu | 2 | 1.6% | |
| .com.au | 2 | 1.6% | |
| .edu | 1 | 0.8% | |
| .ca | 1 | 0.8% |
What MsgApp users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 122 domains.
| Type | Service | Domains | Share of MsgApp users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 65 | 53.3% |
| Mailbox | Proofpoint | 13 | 10.7% |
| Mailbox | Google Workspace | 9 | 7.4% |
| Mailbox | Mimecast | 7 | 5.7% |
| Mailbox | Barracuda | 6 | 4.9% |
| Mailbox | Unknown / Other | 4 | 3.3% |
Shared reputation pools and authentication dependencies
As a multi-tenant platform, MsgApp customers share the same underlying IP addresses and domain reputation pools for outbound delivery. This creates a dependency: when you publish an SPF include for MsgApp, you tie your sender reputation to the aggregate sending behaviour of all tenants using those resources. Poor practices or abuse by other customers can degrade the entire pool's reputation and indirectly harm deliverability for compliant senders; similarly, strong practices across the customer base preserve reputation for everyone. This dynamic makes it essential for MsgApp users to maintain rigorous list hygiene, monitor bounce and complaint rates closely, and ensure DKIM and DMARC are properly configured alongside SPF.
See the full MsgApp data page (KPI cards, trend, sample domains) →
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Frequently asked questions
What does it mean if I see MsgApp in an email's SPF record?
It means the domain has delegated outbound delivery to MsgApp's platform; the SPF include alone does not indicate message legitimacy, which should be evaluated via DKIM, DMARC, and sender reputation signals instead.
How many domains use MsgApp?
122 domains in the Tranco top-1M use MsgApp as their SaaS sender as of September 12, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is MsgApp common enough to affect email deliverability testing?
MsgApp accounts for 0.02% 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.
Which countries or TLDs use MsgApp most?
MsgApp's largest TLD is .com (71.3% of its domains); it appears across 17 TLDs in total.