Types shared by all mail clients, such as credentials, OAuth tokens, proxy and connection settings.

## Classes

| Class | Description |
| --- | --- |
| [AsyncCommandResultEventArgs](./asynccommandresulteventargs/) | [`AsyncCommandResultEventArgs`](../aspose.email.clients/asynccommandresulteventargs/) is containing event data. |
| [BindIPEndPointHandler](./bindipendpointhandler/) | Use the BindIPEndPointHandler if you need to use a specific local endpoint. |
| [CommandStatus](./commandstatus/) | Indicates the result of an operation. |
| [EmailClient](./emailclient/) | Represents the client that creates server connection by using the host credentials. |
| [HttpProxy](./httpproxy/) | HTTP proxy client. |
| [MessageInfoBase](./messageinfobase/) | The MessageInfo represents the E-Mail message info fetched from the mail server. |
| [NameValuePair](./namevaluepair/) | An extended property. |
| [NetworkException](./networkexception/) | Thrown if there is a network connection failure. |
| [OAuthNetworkCredential](./oauthnetworkcredential/) | Represents the NetworkCredential for OAuth authentication. |
| [OAuthToken](./oauthtoken/) | Contains OAuth token data such like token value, token type, expiration date. |
| [PageInfo](./pageinfo/) | Contains information about retrieved page when paging methods are used. |
| [PipeliningStatus](./pipeliningstatus/) | Defines pipelining status for mail client. |
| [Proxy](./proxy/) | Base proxy client. |
| [SocksProxy](./socksproxy/) | SOCKS proxy client. Supported versions of the protocol are SOCKS4 and SOCKS5. |
| [TokenProvider](./tokenprovider/) | Class TokenProvider allows to retrieve access token for mail services. |
## Interfaces

| Interface | Description |
| --- | --- |
| [IAsyncResultExt](./iasyncresultext/) | Represents the extended status of an asynchronous operation. |
| [IAsyncTokenProvider](./iasynctokenprovider/) | Defines interface allowing to retrieve access token asynchronously. |
| [ICommand](./icommand/) | Defines a command. |
| [IConnection](./iconnection/) | IConnectionAdapter allows to manage connection to a server. |
| [IMultipleServicesTokenProvider](./imultipleservicestokenprovider/) | Defines interface allowing to retrieve access token. |
| [ITokenProvider](./itokenprovider/) | Defines interface allowing to retrieve access token. |
## Enumeration

| Enumeration | Description |
| --- | --- |
| [AsyncCommandResults](./asynccommandresults/) | The result of asynchronous command. |
| [CompressionType](./compressiontype/) | Compression types which are used by mail protocols |
| [ConnectionAsgmtType](./connectionasgmttype/) | Defines algorithm of connection allocation in multiple threads environment |
| [ConnectionState](./connectionstate/) | Describes the current state of the connection. |
| [HttpAuthenticationMethods](./httpauthenticationmethods/) | The authentication methods supported by the HTTP proxy |
| [MultiConnectionMode](./multiconnectionmode/) | Enumerate modes which indicates how client has to use multiple connections for heavy loaded operations. |
| [PipeliningMode](./pipeliningmode/) | Defines how mail client supports the pipelining |
| [SecurityOptions](./securityoptions/) | Security mode for a mail client |
| [SocksAuthenticationMethods](./socksauthenticationmethods/) | The authentication methods supported by the SOCKS protocol |
| [SocksVersion](./socksversion/) | Versions of the SOCKS protocol |
| [TokenType](./tokentype/) | Defines OAuth token types |