emailsys (artegic, DE) email service provider (ESP)
According to Live Direct Marketing's daily Tranco top-1M scan (September 20, 2026), emailsys (artegic, DE) is the email service provider (ESP) for 187 domains — 0.03% of 638,158 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 187 domains in the Tranco top-1M use emailsys (artegic, DE) (0.03% of SPF-publishing domains).
- Snapshot date: 2026-09-20 — recomputed every day.
- Strongest TLD: .de (64.2% of its domains).
- Most co-used service: Microsoft 365.
- Directory category: email service provider.
Why emailsys (artegic, DE) appears in this category
artegic emailsys — Bonn-based enterprise CRM/email platform.
We classify it as a email service provider 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.
emailsys is an email service provider operated by artegic, a German enterprise software company. It provides email delivery, marketing automation, and compliance tools for organisations sending transactional and marketing mail.
In SPF records across the Tranco top-1M, emailsys appears with particular density in German-registered domains and frequently alongside Microsoft 365. Its footprint concentrates in the mid-market and smaller-brand space rather than amongst the internet's largest sites, reflecting both its regional focus and its role as a supplementary delivery path for organisations using multiple email platforms.
Where emailsys (artegic, DE) sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.5% |
| Top 100,000 | 15 | 8.0% |
| Top 1,000,000 | 168 | 89.8% |
| Unranked | 3 | 1.6% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .de | 120 | 64.2% | |
| .com | 37 | 19.8% | |
| .at | 9 | 4.8% | |
| .nl | 5 | 2.7% | |
| .eu | 3 | 1.6% | |
| .org | 3 | 1.6% | |
| .shop | 2 | 1.1% | |
| .it | 2 | 1.1% | |
| .cloud | 1 | 0.5% | |
| .net | 1 | 0.5% |
What emailsys (artegic, DE) users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 187 domains.
| Type | Service | Domains | Share of emailsys (artegic, DE) users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 77 | 41.2% |
| Mailbox | Self-Hosted | 41 | 21.9% |
| Mailbox | Unknown / Other | 17 | 9.1% |
| Mailbox | Hornetsecurity | 9 | 4.8% |
| Mailbox | Google Workspace | 8 | 4.3% |
| Mailbox | Generic / unmatched (mx*.*) | 7 | 3.7% |
| ESP | InterNetX SMTP | 28 | 15.0% |
| ESP | Amazon SES | 17 | 9.1% |
| ESP | Hornetsecurity | 13 | 7.0% |
| ESP | Mailjet (Sinch) | 12 | 6.4% |
emailsys in multi-ESP SPF configurations
emailsys appears in SPF records alongside Microsoft 365 on mid-market domains, particularly in German-speaking regions. This hybrid setup introduces SPF query overhead and requires aligned authentication and bounce handling across both platforms. Mailbox providers recognise emailsys as legitimate infrastructure, but administrators should test delivery paths from both services to ensure consistent reputation and policy compliance.
See the full emailsys (artegic, DE) data page (KPI cards, trend, sample domains) →
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Frequently asked questions
What is emailsys, and why should I care about it in email deliverability?
emailsys is a legitimate German ESP operated by artegic, used primarily by mid-market organisations in German-speaking regions. It appears frequently in SPF records alongside Microsoft 365, signalling hybrid mail stacks that require aligned authentication and testing across both platforms.
How many domains use emailsys (artegic, DE)?
187 domains in the Tranco top-1M use emailsys (artegic, DE) as their email service provider (ESP) as of September 20, 2026 (0.03% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is emailsys (artegic, DE) common enough to affect email deliverability testing?
emailsys (artegic, DE) 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.
Which countries or TLDs use emailsys (artegic, DE) most?
emailsys (artegic, DE)'s largest TLD is .de (64.2% of its domains); it appears across 14 TLDs in total.