GENERAL
Knowledgebase about IceWarp applications, settings and addons
Antispam & Antivirus
Security and Policies
- Most Common Reasons for Microsoft Blacklisting
- How to Block Emails Containing Specific Characters or Non-Standard Alphabets
- Understanding Users, Domains, and Global limits
- Intrusion Prevention System and Password Policy
- How to turn off built-in antivirus
- Domain Administration Rights - adminperm.dat
General
- IceWarp High Availability (HA) and Load Balancing — Clustering Options
- How to use Read receipts in IceWarp EPOS Gen 3
- How to configure IceWarp email accounts on Windows and macOS
- What the Upload folder is in IceWarp
- How to attach logo to your signature in IceWarp
- How to use SmartAttach feature in IceWarp
Certificates (SSL)
Fulltext Search
Database
- MariaDB Setup for IceWarp on Red Hat 9
- How to configure SSL/TLS for a MySQL database?
- How to fix an error message "Illegal mix of collations"
- MySQL 8 setup for IceWarp on Windows Server
- MySQL 8 setup for IceWarp on Centos 8 Stream
- Linux MariaDB setup for IceWarp
Mobile Apps
Migration guides
- IceWarp Server migration (Linux to Linux)
- IceWarp Server migration (Windows to Windows)
- IceWarp Server migration (Windows to Linux)
- Hybrid setup (IceWarp & Google Workspace)
- Passwords-only Migration Microsoft 365 to IceWarp
- Hybrid setup (IceWarp & Microsoft 365)
DNS
IceWarp Outlook Sync
- Calendar and WebDAV URL for integrations with other clients
- Message is not fully downloaded in Outlook Sync
- How to install Outlook Sync
- How to configure ports in Outlook Sync
- How to avoid EtnefUnknownMapiType error
- How to resynchronize folders in OutlookSync