GuoX Law Firm Chooses 138 Enterprise Email
As a leading full-service law firm specializing in intellectual property, GuoX Law Firm has relied on 138 Enterprise Email for over six years to meet the legal industry’s stringent requirements for evidence chains, confidentiality, and security.
Highlights
- Over six years of service, meeting legal industry evidence chain requirements
- Certified by National Confidentiality Technology Evaluation, EAL3+, and MLPS Level 3
- Over 98% spam email blocking rate
- Fully official direct service—no resellers involved
- Multi-device synchronization across platforms
Specifications
- Service Duration
- Over 6 years
- Spam Blocking Rate
- Over 98%
- Security Certifications
- National Confidentiality Technology Evaluation, EAL3+, MLPS Level 3
- Service Model
- Fully official direct service
- Supported Platforms
- Web, mobile, PC client, third-party email clients
Client Background
GuoX Law Firm is a full-service law firm specializing in intellectual property legal services. Based on its deep understanding of domestic legal practice and the business environment, it is committed to providing legal services in commercial and litigation fields. Its clients include numerous well-known domestic and international internet companies, high-tech enterprises, film and television production companies, and copyright operators. Its practice areas cover unfair competition, copyright, trademarks, patents, and more.

Industry Needs and Challenges
The legal profession has specific requirements for email communication:
- Integrity of Evidence Chain: Emails serve as critical legal evidence and must ensure content authenticity and protection against tampering.
- High Confidentiality: Case materials and client information must be strictly protected to prevent leaks.
- System Stability: Email sending and receiving must remain unaffected during critical time periods.
- Large-Capacity Storage: Long-term retention of case-related emails and attachments is required.
Solution
138 Enterprise Email provides GuoX Law Firm with the following core capabilities:
- Security Certification System: The email system has obtained authoritative certifications including National Confidentiality Technology Evaluation, National Information Security Evaluation EAL3+, and Ministry of Public Security Level 3 Information Security Protection.
- Anti-Spam and Anti-Virus: Over 98% spam email interception rate ensures inbox cleanliness and security.
- Spoofed Email Detection: Supports sender authentication mechanisms such as SPF, DKIM, and DMARC to prevent phishing emails.
- Large-Capacity Mailbox: Meets lawyers’ needs for long-term storage of case-related emails and attachments.
- Multi-Device Collaboration: Supports web interface, mobile app, PC client, and third-party clients such as Outlook and Foxmail.
Service Outcomes
138 Enterprise Email has served GuoX Law Firm for over six years. Its confidentiality, security, and stability fully meet the legal industry’s special requirements for evidence chain integrity. The official direct-sales service model ensures direct user support without intermediaries, providing comprehensive assistance from account setup and migration to daily operations and maintenance.
Applicable Scenarios
This case study is suitable for reference by the following types of organizations:
- Professional service firms such as law firms and accounting firms
- Industries with stringent requirements for email confidentiality and evidentiary validity
- Enterprises that need to retain large volumes of emails and attachments over the long term
- Organizations focused on security certifications and compliance of email systems