| Attribute | Must | Description |
|---|---|---|
| Available-Distributions | A list of NNTP distributions which can be used at this server | |
| Control-Msg-Folder-ID | The Entry ID of the PF where control messages are stored | |
| Control-Msg-Rules | All control message assistant rules fort his server | |
| INSAdmin | The mailbox that owns all PFs created by Internet News Service in this site | |
| Root-Newsgroups-Folder-ID | The entry ID of the root public folder for newsgroups | |
| Support-SMIME-Signatures | FALSE=No support for SMIME sig; TRUE=Support for SMIME sig | |
| Usenet-Site-Name | The Usenet site corresponding to the Exchange org being administered |