SmtpClientSendAsync(FormatOptions, ISendRequest, CancellationToken) Method

public override Task<SendResult> SendAsync(
	FormatOptions options,
	ISendRequest request,
	CancellationToken cancellationToken = default
)

Parameters

options  FormatOptions

The formatting options.

request  ISendRequest

The send request.

cancellationToken  CancellationToken  (Optional)

The cancellation token.

Return Value

Implements

Asynchronously sends the message specified by the request.

If the Sender is , the sender address is determined by checking the following message headers (in order of precedence): Resent-Sender, Resent-From, Sender, and From.

If the Recipients is , the recipients are collected from the Resent-To, Resent-Cc, and Resent-Bcc headers if either the Resent-Sender or Resent-From addresses are present, otherwise the To, Cc, and Bcc headers are used.

If the request implements ISmtpSendRequest, it may also be used to request delivery status notifications and to handle the server's response to each MAIL FROM and RCPT TO command.

Reference