public async void SendEmail()
{
var recipients = new List <string> {
"*****@*****.**"
};
var report = new SolarAndUtilityReport(new DateInterval(new LocalDate(2017, 07, 17), new LocalDate(2017, 08, 16)), 100, 0, 2000);
var expectedMessage = new MimeMessage
{
Subject = "expected message"
};
A.CallTo(() => reportFormatter.FormatReport(A <SolarAndUtilityReport> ._)).Returns(expectedMessage);
await emailSender.SendEmail(report, recipients);
CancellationToken cancellationToken = default;
A.CallTo(() => smtpClient.ConnectAsync("aldaviva.com", 25, SecureSocketOptions.StartTls, cancellationToken))
.MustHaveHappened()
.Then(A.CallTo(() => smtpClient.AuthenticateAsync("user", "pass", cancellationToken)).MustHaveHappened())
.Then(A.CallTo(() => smtpClient.SendAsync(A <MimeMessage> .That.Matches(message =>
message.Subject == "expected message"), cancellationToken, default)).MustHaveHappened())
.Then(A.CallTo(() => smtpClient.DisconnectAsync(true, cancellationToken)).MustHaveHappened());
}
private async Task SendEmailAsync(IMailTransport transport, IEnumerable <MimeMessage> messages)
{
try
{
foreach (var message in messages.ToList())
{
transport.ServerCertificateValidationCallback = (s, c, h, e) => true;
await transport.ConnectAsync(
Settings.Default.Host,
Settings.Default.Port,
SecureSocketOptions.Auto).ConfigureAwait(false);
transport.AuthenticationMechanisms.Remove("XOAUTH2");
await transport.AuthenticateAsync(
Settings.Default.Login,
Settings.Default.Password).ConfigureAwait(false);
await transport.SendAsync(message).ConfigureAwait(false);
await transport.DisconnectAsync(true).ConfigureAwait(false);
}
}
catch (Exception exception)
{
_logger.Error(exception.Message);
}
}
/// <summary>
/// Sends an e-mail message asynchronously using the
/// provided <see cref="IMailTransport" /> instance.
/// </summary>
/// <param name="emailMessage">The e-mail message to send asynchronously.</param>
/// <returns>An asynchronous <see cref="Task"/> context.</returns>
/// <exception cref="ArgumentNullException"><paramref name="emailMessage" /> is
/// <see langword="null" />.</exception>
public async Task SendEmailAsync(EmailMessage emailMessage)
{
if (emailMessage is null)
{
throw new ArgumentNullException(nameof(emailMessage));
}
await client.ConnectAsync(settings.Host, settings.Port).ConfigureAwait(false);
try
{
var authentication = settings.Authentication;
if (authentication.IsRequired)
{
await client.AuthenticateAsync(authentication.UserName, authentication.Password).ConfigureAwait(false);
}
var mimeMessage = emailMessage.AsMimeMessage(settings.EmailSubjectPrefix);
await client.SendAsync(mimeMessage).ConfigureAwait(false);
logger.LogInformation(
"SendEmailAsync: Sent: {server}:{port} with auth required {isRequired} and U:{user}, Sent Message {mimeMessage}",
settings.Host,
settings.Port,
authentication.IsRequired,
authentication.UserName,
mimeMessage);
}
catch (Exception ex)
{
logger.LogError(
ex,
"SendEmailAsync: Failed: {server}:{port} with auth required {isRequired} and U:{user}, Sending Message {@mimeMessage}",
settings.Host,
settings.Port,
settings.Authentication.IsRequired,
settings.Authentication.UserName,
emailMessage);
throw;
}
finally
{
if (client.IsConnected)
{
await client.DisconnectAsync(true).ConfigureAwait(false);
}
}
}
private async Task ConnectAsync(IMailTransport client)
{
await client.ConnectAsync(
host : options.Smtp.Host,
port : options.Smtp.Port,
useSsl : false);
//Note: only needed if the SMTP server requires authentication
if (!string.IsNullOrWhiteSpace(options.Smtp.Username) &&
!string.IsNullOrWhiteSpace(options.Smtp.Password))
{
await client.AuthenticateAsync(
userName : options.Smtp.Username,
password : options.Smtp.Password);
}
}
public async Task sendEmail(SolarAndUtilityReport report, IEnumerable <string> recipients)
{
MimeMessage message = reportFormatter.formatReport(report);
message.From.Add(new MailboxAddress("Dad's Energy Reporter", settings.reportSenderEmail));
message.To.AddRange(recipients.Select(recipient => new MailboxAddress(recipient)));
try {
await smtpClient.ConnectAsync(settings.smtpHost, settings.smtpPort, SecureSocketOptions.StartTls);
await smtpClient.AuthenticateAsync(settings.smtpUsername, settings.smtpPassword);
await smtpClient.SendAsync(message);
await smtpClient.DisconnectAsync(true);
} catch (IOException e) {
throw new EmailException("Failed to send email message", e);
}
}
public async Task Send(string from, string to, string subject, string body)
{
var message = new MimeMessage();
message.From.Add(MailboxAddress.Parse(from));
message.To.Add(MailboxAddress.Parse(to));
message.Subject = subject;
message.Body = new TextPart(body);
await _mailTransport.ConnectAsync(_settings.Host, _settings.Port, _settings.UseSsl);
if (!string.IsNullOrEmpty(_settings.Username))
{
await _mailTransport.AuthenticateAsync(_settings.Username, _settings.Password);
}
await _mailTransport.SendAsync(message);
await _mailTransport.DisconnectAsync(true);
}