SmtpClient.Host Property


Gets or sets the name or IP address of the host used for SMTP transactions.

Namespace:   System.Net.Mail
Assembly:  System (in System.dll)

member Host : string with get, set

Property Value

Type: System.String

A String that contains the name or IP address of the computer to use for SMTP transactions.

Exception Condition

The value specified for a set operation is null.


The value specified for a set operation is equal to String.Empty ("").


You cannot change the value of this property when an email is being sent.

The value of the Host property can also be set using constructors or the application or machine configuration file. For more information, see <mailSettings> Element (Network Settings).

If information is specified using this property, this information overrides the configuration file settings.

The following code example demonstrates sending an e-mail message by using the host and port specified in an application configuration file.

No code example is currently available or this language may not be supported.

.NET Framework
Available since 2.0
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