The contents of this manual have been prepared with care. However, the information in this manual is not a warranty of product performance. Intra2net AG shall only be liable to the extent of its sales and delivery conditions and shall not assume any liability for technical inaccuracies and/or omissions. The information in this manual is subject to change without notice. Additional information, as well as changes and version information for Intra2net systems can be found online at https://www.intra2net.com
The Intra2net system establishes communication connections depending on the configuration. In order to avoid unwanted charges and data loss, the product should be monitored and backed up at regular intervals. Intra2net accepts no responsibility for loss of data, accidental connection costs or damage caused by the unattended operation of the product.
Intra2net and the Intra2net logo are registered trademarks of Intra2net AG. Company and product names are mostly trademarks of their respective companies or manufacturers.
Copyright © 1999-2024 Intra2net AG. All rights reserved. No part of this manual may be reproduced or reused in any form whatsoever without prior written permission from Intra2net AG.
Intra2net AG
Mömpelgarder Weg 8
72072 Tübingen
Germany
Valid for Intra2net software version 6.12.1
Valid for Intra2net Groupware Client Version 5.0.2
22. August 2024
Table of Contents
- 1. Installation
- 2. General Functions
- 8. Intranet
- 9. SSL Encryption and Certificates
- 10. Internet
- 10.1. Dial-up with DSL (PPPoE)
- 10.2. Dial-up with DSL (PPTP)
- 10.3. Router with static IP
- 10.4. Router with DHCP or Cable Modem
- 10.5. Router on the Local Network
- 10.6. Router vs. Modem
- 10.7. Official IPs and DMZs
- 10.8. Automatic Connection
- 10.9. Connection Monitoring
- 10.10. Switching to Other Providers in the Event of an Error (Fallback)
- 10.11. Bandwidth Management and VoIP Prioritization
- 10.12. Masquerading / NAT
- 10.13. DynDNS
- 10.14. External access
- 11. Proxy
- 12. Statistics and Data Privacy
- 13. Usermanager
- 14. Email
- 14.1. Email Relay
- 14.2. Receiving emails on the client (POP or IMAP)
- 14.3. Receive emails using the Intra2net system
- 14.4. Forwarding of entire domains
- 14.5. Email Addressing
- 14.6. Email Processing
- 14.7. Emailfilter
- 14.8. DKIM
- 14.9. Archiving
- 14.10. Automatic Transfer
- 14.11. Mailinglist
- 14.12. Additional Settings
- 14.13. Queue
- 14.14. Structure of the mail system
- 14.15. Differences between licenses
- 15. Services
- 16. System Functions
- 3. Groupware Client
- 17. Introduction
- 18. Installation
- 19. Setting up a Profile
- 20. Account Configuration
- 21. Linking Folders
- 22. Sharing Folders
- 23. Folder Linking Expert Mode
- 24. Additional Features
- 24.1. Folder Hierarchy and ibx_sub
- 24.2. Folder Options
- 24.3. Editing Server-Side Settings
- 24.4. Categories and color assignment
- 24.5. Use Free/Busy Information
- 24.6. Marking as Private
- 24.7. Reminders in Shared Folders
- 24.8. User-Defined Fields in Contacts
- 24.9. Showing Item Source Text
- 24.10. Backup Folders
- 24.11. Advice to the User
- 24.12. Log files
- 25. Advanced Email Configuration
- 26. Compatibility and Collaboration
- 27. Concept for public folders
- 28. Migrating Emails with IMAPCopy
- 29. Migration from Microsoft Exchange
- 30. Reference Information
- 4. Web-Groupware and ActiveSync
- 5. Firewall
- 38. Selecting Firewall Rulesets
- 39. Firewall Profile
- 40. Full Rulesets
- 41. Additional Functions
- 42. Case Studies and Examples
- 6. VPN
- 43. IPSec Basics
- 44. Key Management
- 45. Connecting Individual PCs
- 46. VPN with the NCP Secure Entry Windows Client
- 47. VPN with the Shrew Soft VPN Client
- 48. VPN with Mac OS X
- 49. VPN with the NCP Secure Entry macOS Client
- 50. VPN with the Apple iOS devices
- 51. VPN with Android
- 52. VPN with the NCP Secure Android Client Premium
- 53. Connecting Complete Networks
- 54. VPN with ZyXEL ZyWALL USG
- 55. VPN with Lancom Routers
- 56. VPN with Linux
- 57. Solving IP Address Conflicts in VPNs Through NAT
- 58. Error Diagnosis
- 7. Appendix