2.2.2.38 Importance
The Importance element is an optional element that specifies the importance of the message, as assigned by the sender. It is defined as an element in the Email namespace.
The value of this element is an unsignedByte data type, as specified in [MS-ASDTYPE] section 2.8.
The value of this element MUST be one of the values listed in the following table.
Value |
Meaning |
---|---|
0 (zero) |
Low importance |
1 |
Normal importance |
2 |
High importance |
If this element is omitted from a command response, then clients MUST assume a value of 1 as the default value.
Protocol Versions
The following table specifies the protocol versions that support this element. The client indicates the protocol version being used by setting either the MS-ASProtocolVersion header, as specified in [MS-ASHTTP] section 2.2.1.1.2.6, or the Protocol version field, as specified in [MS-ASHTTP] section 2.2.1.1.1.1, in the request.
Protocol version |
Element support |
---|---|
2.5 |
Yes |
12.0 |
Yes |
12.1 |
Yes |
14.0 |
Yes |
14.1 |
Yes |
16.0 |
Yes |
16.1 |
Yes |