/// <summary>
/// Sends an email message using a session state object.
/// Credentials, Enable SSL and Client Hostname are NOT taken from the state object but
/// rather from the properties of this class.
/// </summary>
/// <param name="sessionState">The state.</param>
/// <param name="sessionId">The session identifier.</param>
/// <param name="ct">The cancellation token.</param>
/// <returns>
/// A task that represents the asynchronous of send email operation.
/// </returns>
/// <exception cref="ArgumentNullException">sessionState.</exception>
public Task SendMailAsync(SmtpSessionState sessionState, string sessionId = null, CancellationToken ct = default)
{
if (sessionState == null)
{
throw new ArgumentNullException(nameof(sessionState));
}
$"Sending new email from {sessionState.SenderAddress} to {string.Join(";", sessionState.Recipients)}".Info(typeof(SmtpClient));
return(SendMailAsync(new[] { sessionState }, sessionId, ct));
}
/// <summary>
/// Sends an email message asynchronously.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="sessionId">The session identifier.</param>
/// <returns>A task that represents the asynchronous of send email operation.</returns>
public Task SendMailAsync(MailMessage message, string sessionId = null)
{
var state = new SmtpSessionState {
AuthMode = Credentials == null ? string.Empty : SmtpDefinitions.SmtpAuthMethods.Login, ClientHostname = ClientHostname, IsChannelSecure = EnableSsl, SenderAddress = message.From.Address
};
if (Credentials != null)
{
state.Username = Credentials.UserName;
state.Password = Credentials.Password;
}
foreach (var recipient in message.To)
{
state.Recipients.Add(recipient.Address);
}
state.DataBuffer.AddRange(message.ToMimeMessage().ToArray());
return(SendMailAsync(state, sessionId));
}