Head-to-Head Specification Audit
Postmark vs Holm Security
SaaS Developers · Global
NIS2 Cybersecurity Compliance
Holm Security
Critical Infrastructure & Mid-Market IT · European Union
Visit Holm Security →Specification Matrix
| Metric | Postmark | Holm Security |
|---|---|---|
| Starting Price | $15/mo | Custom pricing |
| API Rate Limit | Not confirmed | 60 req/min |
| Target Country | Global | European Union |
| Category | Email API | NIS2 Cybersecurity Compliance |
| Compliance (vendor-stated) | GDPR, SOC2 | NIS2, ISO 27001, GDPR, CIS Controls, DORA |
| Hosting Regions | US-East, EU-West | EU-North, EU-West |
| Native Integrations | 6 listedBetter | 4 listed |
Postmark — Key Specs
Vendor-stated- ✓Average delivery time of 3.2 seconds — fastest transactional delivery benchmarked
- ✓Message Streams separate transactional from bulk email — protects domain reputation
- ✓GDPR-compliant EU-only sending available for EU data residency requirements
- ✓10-year email storage and retrieval via Message Retention add-on
Holm Security — Key Specs
Vendor-stated- ✓First vulnerability management platform with NIS2 compliance module
- ✓Combined network + web app + API scanning in one platform
- ✓Automated NIS2 Article 21 risk assessment reports
- ✓Continuous monitoring with 24-hour incident detection SLA
- ✓Swedish-headquartered — native EU data residency
Frequently Asked Questions
Which is lower-priced, Postmark or Holm Security?+
Holm Security uses custom pricing. Postmark starts at $15/mo. Contact Holm Security directly for a quote.
Which compliance frameworks do Postmark and Holm Security list?+
Both list GDPR in their vendor documentation. Postmark additionally lists SOC2. Holm Security additionally lists NIS2, ISO 27001, CIS Controls, DORA. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Postmark or Holm Security?+
Available information does not support a direct comparison of API rate limits for these tools. Check each vendor's developer documentation.
Which data hosting regions do Postmark and Holm Security support?+
Postmark lists hosting regions: US-East, EU-West. Holm Security lists hosting regions: EU-North, EU-West. For data residency requirements in Global, confirm exact region configuration directly with each vendor.
Data last updated: 29 August 2026 — Sourced from official vendor documentation. Not independently audited. Report incorrect information
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