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SmtpClient.SendMailAsync Method (String, String, String, String)

.NET Framework 4.6 and 4.5

Sends the specified message to an SMTP server for delivery as an asynchronous operation. . The message sender, recipients, subject, and message body are specified using String objects.

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

[<HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)>]
member SendMailAsync : 
        from:string * 
        recipients:string * 
        subject:string * 
        body:string -> Task

Parameters

from
Type: System.String

A String that contains the address information of the message sender.

recipients
Type: System.String

A String that contains the addresses that the message is sent to.

subject
Type: System.String

A String that contains the subject line for the message.

body
Type: System.String

A String that contains the message body.

Return Value

Type: System.Threading.Tasks.Task
Returns Task.
The task object representing the asynchronous operation.

ExceptionCondition
ArgumentNullException

from is a null reference (Nothing in Visual Basic).

-or-

recipients is a null reference (Nothing in Visual Basic).

ArgumentException

from is Empty.

-or-

recipients is Empty.

This operation will not block. The returned Task> object will complete once the message has been sent.

NoteNote

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 4.6, 4.5
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