| Attribute | Must | Description |
|---|---|---|
| Authorized-Domain | Override domain used to authenticate against the remote site MTA | |
| Authorized-Password | Override password used to authenticate against the remote site MTA | |
| Authorized-User | Override Username used to authenticate against the remote site MTA | |
| Bridgehead-Servers | Bridgehead servers | |
| Common-Name | X | X.500 Common Name (DN of the Inter-Domain Connection) |
| Cost | Specifies the "Cost" to the MTA of routing messages through this VD | |
| Domain-Name | DN of Messaging-Domain object for this MTA's domain | |
| Home-MTA | ||
| Routing-List | Address space associated with this gateway (Proxy Format) | |
| Target-MTAs | The list of MTAs in the represented msg domain to which messages my be sent |