我正在尝试使用SDK发送带有附件的AWS SES邮件。我在这里找到了工作代码:
它引用了MimeKitLite,但这是我们在.net框架3.5中无法引用的。我可以在代码中写一些变通方法来使用框架3.5发送邮件吗?由于一些依赖关系,我们无法升级我们的项目框架。
我在这里写我的工作代码(框架4)以供参考:
protected void Page_Load(object sender, EventArgs e)
{
var message = (MimeMessage)MyMailMessage();
var stream = new MemoryStream();
message.WriteTo(stream);
using (AmazonSimpleEmailServiceClient client = new AmazonSimpleEmailServiceClient("awsAccessKeyId", "awsSecretAccessKey", RegionEndpoint.USWest2))
{
var sendRequest = new SendRawEmailRequest { RawMessage = new RawMessage { Data = stream } };
var response = client.SendRawEmail(sendRequest);
Console.WriteLine(response.ToString());
}
}
private static MimeKit.MimeMessage MyMailMessage()
{
var message = new MimeMessage();
message.From.Add(new MailboxAddress("rahul", "rpatel.alld@Gmail.com"));
message.To.Add(new MailboxAddress("rahul", "rpatel.alld@Gmail.com"));
message.Subject = "Hello";
var builder = new BodyBuilder();
builder.HtmlBody = @"<p>Thank you for submitting your query/complaint.";
//
string attachement = System.Web.HttpContext.Current.Server.MapPath(Path.GetFileName("IntelOCL.log"));
builder.LinkedResources.Add(attachement);
message.Body = builder.ToMessageBody();
return message;
}
您可以改用.NET MailMessage
类。这个问题是,你必须在流中向Amazon SES提供消息的原始内容,而这个类没有直接的方法(afaik)。然而,它可以通过使用反射来完成:
private MemoryStream FromMailMessageToMemoryStream(MailMessage message)
{
Assembly assembly = typeof(SmtpClient).Assembly;
Type mailWriterType = assembly.GetType("System.Net.Mail.MailWriter");
MemoryStream stream = new MemoryStream();
ConstructorInfo mailWriterContructor =
mailWriterType.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { typeof(Stream) }, null);
object mailWriter = mailWriterContructor.Invoke(new object[] { stream });
MethodInfo sendMethod =
typeof(MailMessage).GetMethod("Send", BindingFlags.Instance | BindingFlags.NonPublic);
if (sendMethod.GetParameters().Length == 3)
{
sendMethod.Invoke(message, BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { mailWriter, true, true }, null); // .NET 4.x
}
else
{
sendMethod.Invoke(message, BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { mailWriter, true }, null); // .NET < 4.0
}
MethodInfo closeMethod =
mailWriter.GetType().GetMethod("Close", BindingFlags.Instance | BindingFlags.NonPublic);
closeMethod.Invoke(mailWriter, BindingFlags.Instance | BindingFlags.NonPublic, null, new object[] { }, null);
return stream;
}
有了这个助手功能,你的代码现在就是:
protected void Page_Load(object sender, EventArgs e)
{
var message = (MailMessage)MyMailMessage();
var stream = FromMailMessageToMemoryStream(message);
List<string> bccTo = new List<string>();
bccTo.Add("chris@domain.com");
using (AmazonSimpleEmailServiceClient client = new AmazonSimpleEmailServiceClient("awsAccessKeyId", "awsSecretAccessKey", RegionEndpoint.USWest2))
{
var sendRequest = new SendRawEmailRequest { RawMessage = new RawMessage { Data = stream } };
var response = client.SendRawEmail(sendRequest);
Console.WriteLine(response.MessageId);
if (bccTo != null && bccTo.Count > 0)
{
sendRequest.Destinations = bccTo;
response = client.SendRawEmail(sendRequest);
Console.WriteLine(response.MessageId);
}
}
}
private static MailMessage MyMailMessage()
{
var message = new MailMessage();
message.From = new MailAddress("rpatel.alld@Gmail.com", "rahul");
message.To.Add("rpatel.alld@Gmail.com");
message.Subject = "Hello";
message.AlternateViews.Add(AlternateView.CreateAlternateViewFromString(@"<p>Thank you for submitting your query/complaint.", new ContentType("text/html")));
//
string attachmentname = "IntelOCL.log";
Stream ms = new MemoryStream(File.ReadAllBytes(System.Web.HttpContext.Current.Server.MapPath(Path.GetFileName(attachmentname))));
ContentType ct = new ContentType();
ct.MediaType = "" // TODO
Attachment attachment = new Attachment(ms, ct);
attachment.Name = attachmentname;
attachment.ContentDisposition.FileName = attachmentname;
message.Attachments.Add(attachment);
return message;
}