private void ValidatePayload(EmailPayload payload)
{
if (payload == null)
{
throw new ArgumentNullException("payload");
}
if (string.IsNullOrEmpty(payload.FromEmailAddress))
{
throw new InvalidOperationException("FromEmailAddress is a required field.");
}
if ((payload.To == null || !payload.To.Any()) && (payload.CC == null || !payload.CC.Any()) && (payload.BCC == null || !payload.BCC.Any()))
{
throw new InvalidOperationException("At least one email address must be in the To, CC or BCC fields.");
}
}
public void Send(EmailPayload payload)
{
ValidatePayload(payload);
using (var mailClient = new SmtpClient())
{
if (!string.IsNullOrEmpty(ServerAddress))
{
mailClient.Host = ServerAddress;
}
if (ServerPort != 0)
{
mailClient.Port = ServerPort;
}
if (ServerUseSsl.HasValue)
{
mailClient.EnableSsl = ServerUseSsl.Value;
}
else if (payload.UseSSL.HasValue)
{
mailClient.EnableSsl = payload.UseSSL.Value;
}
if (!string.IsNullOrEmpty(ServerLogin) && !string.IsNullOrEmpty(ServerPassword))
{
mailClient.Credentials = new NetworkCredential(ServerLogin, ServerPassword);
}
else if (!string.IsNullOrEmpty(payload.LoginName) || !string.IsNullOrEmpty(payload.Password))
{
mailClient.Credentials = new NetworkCredential(payload.LoginName, payload.Password);
}
var fromEmailAddress = !string.IsNullOrWhiteSpace(ServerDefaultFrom)
? ServerDefaultFrom
: payload.FromEmailAddress;
var message = new MailMessage
{
Body = payload.Body,
Subject = payload.Subject,
From = new MailAddress(fromEmailAddress),
IsBodyHtml = payload.IsBodyHtml,
};
if (payload.AlternateViews.Count > 0)
{
foreach (var alternateView in payload.AlternateViews)
{
message.AlternateViews.Add(alternateView);
}
}
if (payload.To != null && payload.To.Any())
{
foreach (var s in payload.To)
{
message.To.Add(s);
}
}
if (payload.CC != null && payload.CC.Any())
{
foreach (var s in payload.CC)
{
message.CC.Add(s);
}
}
if (payload.BCC != null && payload.BCC.Any())
{
foreach (var s in payload.BCC)
{
message.Bcc.Add(s);
}
}
if (payload.ReplyToList != null && payload.ReplyToList.Any())
{
foreach (var item in payload.ReplyToList)
{
message.ReplyToList.Add(item);
}
}
if (payload.Headers != null && payload.Headers.HasKeys())
{
message.Headers.Add(payload.Headers);
}
if (payload.Attachments != null)
{
foreach (var attachment in payload.Attachments)
{
message.Attachments.Add(attachment);
}
}
mailClient.Send(message);
}
}
