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3X0-204
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Exam Code: 3X0-204

Exam Name: Level 2 sendmailmailing system

Updated: Aug 02, 2026

Number: 96 Q&As with Testing Engine

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SAIR 3X0-204 Exam Overview:

Certification Vendor:SAIR
Exam Name:Level 2 Sendmail Mailing System
Exam Number:3X0-204
Available Languages:English
Exam Format:Multiple Choice Questions (MCQ)
Real Exam Qty:Approximately 60–70 (commonly reported: 62)
Exam Price:Varies by region/testing provider (not centrally published)
Passing Score:Not officially published
Related Certifications:SAIR Level 1 Installation and Configuration (3X0-101)
SAIR Level 1 System Administration (3X0-102)
SAIR Level 1 Networking (3X0-103)
SAIR Level 2 Apache Webserver (3X0-202)
SAIR Level 2 Samba (3X0-203)
Certificate Validity Period:Not officially published
Exam Duration:Not officially published; typically ~90–120
Recommended Training:SAIR LCA Training Providers (varies by region)
Exam Registration:SAIR Certification Official Site
Sample Questions:SAIR 3X0-204 Sample Questions
Exam Way:Computer-based exam (typically online or authorized testing center depending on provider)
Pre Condition:Recommended: SAIR Level 1 certifications or equivalent Linux system administration knowledge
Official Syllabus URL:https://www.sair.org

SAIR 3X0-204 Exam Syllabus Topics:

SectionObjectives
Topic 1: Mail Security & Anti-Spam Controls- Relay restrictions and access control
- Spam filtering concepts
- Basic email authentication mechanisms
Topic 2: Mail Routing & Delivery- Mail routing rules and relay configuration
- Local vs remote delivery handling
- DNS MX record dependency for mail delivery
Topic 3: Sendmail Installation & Configuration- MTA setup and initialization
- Sendmail configuration files (sendmail.cf, mc files)
- SMTP architecture fundamentals
Topic 4: Mail Queue Management & Troubleshooting- Delivery failure diagnostics
- Queue inspection and management commands
- Log analysis for mail systems
Topic 5: SMTP Protocol Operations- SMTP command flow (HELO/EHLO, MAIL FROM, RCPT TO)
- Port usage and transport behavior

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Related Exams
3X0-103 - Linux Networking (Level 1)
3X0-203 - Level 2 samba
3X0-102 - Linux System Administration (Level 1)
3X0-104 - Level 1 security.ethics and privacy
3X0-202 - Apache Webserver (Level 2)
Related Certifications
Linux/GNU Certified Administrator(LCA)

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