Skip to content
Veli Kadir KOZAN (IT Infrastructure Administrator)
  • Home
  • facebook.com
  • twitter.com
  • t.me
  • instagram.com
  • youtube.com
Subscribe

Email Security

  • Home
  • Email Security
[EN] Exchange Server: External Emails Are Not Delivered to a Distribution Group
Posted inMicrosoft Exchange Server

[EN] Exchange Server: External Emails Are Not Delivered to a Distribution Group

Overview In an Exchange Server environment, external emails sent to the distribution group support@kadirkozan.com are not being delivered. While individual user mailboxes receive external emails without any issues, messages addressed…
Posted by Veli Kadir KOZAN July 23, 2026
[TR] Exchange Server’da Distribution Group’a Dış Dünyadan E-Posta Gelmiyor Sorunun Giderilmesi
Posted inMicrosoft Exchange Server

[TR] Exchange Server’da Distribution Group’a Dış Dünyadan E-Posta Gelmiyor Sorunun Giderilmesi

Problem Exchange Server ortamında support@kadirkozan.com dağıtım grubuna kurum dışından gönderilen e-postalar ulaşmamaktadır. Aynı ortamda kullanıcı posta kutuları normal şekilde e-posta alabilirken yalnızca dağıtım grubunda sorun yaşanmaktadır. Olası Nedenler Bu sorunun…
Posted by Veli Kadir KOZAN July 23, 2026
[TR] Microsoft Exchange Server Temmuz 2026 Güvenlik Güncellemeleri Yayımlandı
Posted inMicrosoft Exchange Server

[TR] Microsoft Exchange Server Temmuz 2026 Güvenlik Güncellemeleri Yayımlandı

Microsoft şirket içi ve hibrit yapılarda kullanılan Exchange Server sistemleri için Temmuz 2026 güvenlik güncellemelerini yayımladı. Güncellemeler Exchange Server Subscription Edition, Exchange Server 2019 ve Exchange Server 2016 sürümlerindeki güvenlik…
Posted by Veli Kadir KOZAN July 15, 2026
  • 3th Party / Tools
  • Azure
  • Dell-EMC Storage
  • Dell-EMC VxRail
  • Docker
  • Google Workspace
  • Hardware
  • Hayata Dair
  • HPE Morpheus Enterprise
  • HPE Morpheus VME
  • HPE Simplivity
  • HPE Storage
  • HPE Zerto
  • IBM Storage System
  • Linux
  • Microsoft Entra ID
  • Microsoft Exchange Server
  • Microsoft Remote Desktop Services
  • Microsoft SQL Server
  • Microsoft System Center
  • Monitoring / Observability
  • Network
  • PowerDNS
  • Proxmox
  • Qumulo
  • SAN Switch
  • Security
  • Veeam Backup and Replication
  • VMware Aria Operations
  • VMware Cloud Foundation
  • VMware ESXi
  • VMware PowerCLI
  • VMware Site Recovery Manager
  • VMware vCenter Server
  • VMware vSAN
  • VMware Workstation
  • Windows Active Directory
  • Windows Client
  • Windows Server
  • Windows Server Group Policy GPO
  • CVE-2026-69836: Critical CVSS 10.0 RCE Vulnerability in Microsoft Entra ID
  • [TR] CVE-2026-69836: Microsoft Entra ID’de CVSS 10.0 Kritik RCE Zafiyeti
  • [EN] Cisco Catalyst Switch Front Panel LEDs: Meanings and Troubleshooting Guide
  • [TR] Cisco Catalyst Switch Front Panel LED’leri: Anlamları ve Sorun Giderme Rehberi
  • Tottenham Hotspur Moves Away from VMware, Cutting Licensing Costs by More Than 85%
Copyright 2026 — Veli Kadir KOZAN (IT Infrastructure Administrator). All rights reserved. Bloghash WordPress Theme
Scroll to Top