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61/ 100

Siemens

siemens.com · 🇩🇪 DE · industrials

Scan week: 2026-03-23

  • Siemens scores 61/100 and receives a grade of C in the Email Security Observatory.
  • This score is 19 points above the global average of 42/100, placing Siemens among the better-protected companies.
  • Siemens ranks #124 out of 1601 companies globally in the email security observatory.
  • The score is unchanged from last week.
  • Outbound email security - covering DMARC, SPF, DKIM and BIMI - scores 64/100 (C).
  • Inbound email protection - covering MX, MTA-STS, DANE and TLS-RPT - scores 40/100 (D).
  • DNS security (DNSSEC) scores 100/100 (A+).
  • 3 recommendations have been identified to improve Siemens's email security posture.
  • Score history spans 4 weeks, enabling week-over-week tracking of email authentication progress.

Outbound

50%
C
64/ 100
dmarc
34/40A
spf
3/30F
dkim
22/25A
bimi
5/5A

Inbound

35%
D
40/ 100
mx
25/40C
mta-sts
0/30F
dane
15/15A
tls-rpt
0/15F

DNS Security

15%
A+
100/ 100
dnssec
100/100A

Rankings

global

#124 / 1601

country DE

#11 / 38

index dax-40

#11 / 40

sector industrials

#18 / 413

Score history

61
03-23
61
03-16
61
03-09
61
03-02

Recommendations

Mediummta-sts

Deploy MTA-STS to enforce TLS for inbound email

Lowmx

Add a secondary MX for redundancy

Lowtls-rpt

Add a TLS-RPT record to receive TLS failure reports

Understanding the company audit

Each company in the Observatory is analyzed weekly for email authentication standards. The audit provides a comprehensive view of the company's email security posture.

What this page shows:

  • Total score - A score out of 100 reflecting overall email security maturity
  • Letter grade - From A+ (excellent) to F (significant gaps)
  • Per-standard analysis - Individual scores for SPF, DKIM, DMARC, BIMI, MTA-STS, DANE/TLSA and DNSSEC
  • Recommendations - Prioritized steps to improve the score

Standards evaluated

  1. SPF - Sender Policy Framework prevents unauthorized servers from sending email on behalf of the domain
  2. DKIM - DomainKeys Identified Mail ensures emails are signed and unaltered during transit
  3. DMARC - Domain-based Message Authentication, Reporting and Conformance ties SPF and DKIM together with a policy
  4. BIMI - Brand Indicators for Message Identification displays the brand logo in supporting email clients
  5. MTA-STS - Mail Transfer Agent Strict Transport Security enforces TLS encryption for inbound email
  6. DNSSEC - Domain Name System Security Extensions prevent DNS spoofing attacks

FAQ - Frequently asked questions

Q: How is the score calculated?

A: Points are awarded for each standard based on configuration quality, totaling up to 100.


Q: What do the grades mean?

A: A+ is excellent (90-100), F indicates significant gaps (below 50).


PagePurpose
Observatory DashboardOverall overview with key metrics
StatisticsCross-index and cross-sector comparison
Email Domain CheckAudit your own domain
Siemens - Email Security Score