GENERAL
Knowledgebase about IceWarp applications, settings and addons
Certificates (SSL)
- How to install an SSL certificate
- How to use Let's Encrypt certificate in IceWarp
- How to install an SSL certificate
- Let's Encrypt certificate has expired
- How to encrypt emails with S/MIME certificate
- How to sign emails with S/MIME certificate
Fulltext Search
Database
Mobile Apps
Migration guides
- Free migration from Rackspace
- Hybrid setup (IceWarp & Microsoft 365)
- Passwords-only Migration Microsoft 365 to IceWarp
- Migration of accounts database
- Server migration (Linux -> Linux)
- Server migration (Windows -> Windows)
DNS
General
- High availability options
- SMTP log - Troubleshooting guide
- How to set up a distributed domain on IceWarp
- "Defaults requiretty" option removed from etc/sudoers file
- How to turn off built-in antivirus
- Antispam log - troubleshooting guide
IceWarp Desktop Client
IceWarp Outlook Sync
- Outlook Sync port configuration
- EtnefUnknownMapiType error and how to prevent it
- "Key not valid for use in specified state" error
- How to resynchronize folders in OutlookSync
- How to install the new Outlook Sync addon (from 13.0.2.20214)
- How to set up Free/Busy in Microsoft Outlook
Other
- Accessing customer's data
- How to create dumps on Windows Server
- How to backup your bookmarks in Connections Manager
- WebPhone Setup Guide
- I got a '451 4.3.5 Requested action aborted: local error processing' error
- V 12 WebClient Administration Guide