Anti Spamming - How to Filter Unsolicited e-mail on Your Mail Server
This paper addresses the issue of SPAM and how sendmailTM and IP Filters offer Spam-prevention features.
582 (PDF, 2.80MB)
27 Dec 2001ByNam Tran
- Practitioner CertificationsValidate hands-on cybersecurity skills across core roles and disciplines.
- Micro CredentialsDemonstrate real-world ability through performance-based assessments.
- Applied Knowledge CertificationsShowcase advanced expertise across a specialized security domain.
- CyberLiveTM: Hands-On TestingProve your real-world cybersecurity skills with virtual machine testing.
- Portfolio certificationsProve skills in live, hands-on exam environments.
- Focus AreasBrowse certifications by domain to find your ideal path.
FeaturedView All Certifications
- Why Certify?Prove your cybersecurity skills with globally recognized, real-world certifications.
- How to PreparePrepare with SANS-aligned training, practice tests, and proven study resources.
- Get StartedChoose your exam, register, and begin your GIAC certification journey.
- ProctoringLearn how GIAC exams are securely proctored for a reliable testing experience.
- Renewing Your GIAC CertificationStay certified by meeting renewal requirements and keeping skills current.
- Why Renew?Maintain your credential and demonstrate ongoing cybersecurity expertise.
- CPE InformationLearn how to earn, track, and submit CPE credits for renewal.
- How to RenewFollow simple steps to renew your certification and earn required CPEs.
- Earn CPEs at EventsEarn CPE credits through SANS training, conferences, and approved events.
- Workforce DevelopmentStrengthen teams with GIAC-certified cybersecurity professionals.
- Cybersecurity FrameworksSee how GIAC certifications align with today’s most recognized cybersecurity skills frameworks.
- Cybersecurity DirectivesSee how GIAC certifications align with today’s most recognized cybersecurity directives.
- Enterprise CustomersBuild validated cybersecurity expertise across your organization.
- Workforce Study ReportsResearch on building high-performing cybersecurity teams.
- GIAC Company InfoLearn about GIAC’s mission and certification standards.
- ANAB AccreditationGIAC is an active accredited ISO/IEC 17024 Personnel Certification Body through ANAB.
- PressExplore GIAC news, updates, and media coverage.
- ContactReach GIAC for support, questions, or assistance.
- Frequently Asked QuestionsFind answers to common certification and exam questions.