/// <summary>
/// 尝试使用dkim签名，默认为null不进行签名
///
/// 设置了也不签名条件：
/// 附件总大小超过DKIM_MaxLen=4M
/// </summary>
public EMail TryUseDKIM(EMail_DKIM dkim)
{
_DKIM = dkim;
return(this);
}
static void EMailTest()
{
var domain = "test.localhost";
var selector = "op";
//DKIM签名私钥
var rsa = new RSA.RSA(@"
-----BEGIN RSA PRIVATE KEY-----
MIIBOwIBAAJBALYyNggDBZ2SjrnZsOolGW1UWjf5Mt6P3zmitHctuOv8TvkdAAnH
knzM8soIWXFUjQ3yTSweJ54hvX2UmDpjEe0CAwEAAQJAM7vkLbg18v03e7w9iO7J
3opyJ6yh7iJqHyJ9Hc4k0RTT69q+rTWky2NNOQjDIb7dFiN8soXSttkgxJWHpvS1
XQIhANphUALecb2vyi9fVtZsLf+IPHQQSxmaRwpszmXqvD/jAiEA1ZUp/cLuPhvL
aVGoAOpMI3+tTrAS+rD4ynS9m+pQb+8CIQDWGgQ029wNyhRi/4kGrocmeW4zqGnI
zy4JNYXh/BLWWwIgMnLhUEdS7uixy1a2UEEHavslfIiqcvyKR4f7oXBfP5ECIQDK
B4JqZMGSBWkvkoGZOoTEr5UF7/EUeZIjux3wm2wYXA==
-----END RSA PRIVATE KEY-----
", true);
Console.WriteLine("【DKIM测试公钥512位（PEM）】：");
Console.WriteLine(rsa.ToPEM_PKCS1(true));
Console.WriteLine();
var dkim = new EMail_DKIM(domain, selector, rsa);
Action <Action <EMail> > create = (call) => {
//投递邮件给qq服务器
using (var email = new EMail()) { //new EMail("mx1.qq.com", 25)，默认会自动解析收件箱的mx记录，得到smtp服务器地址，如果是要通过发件服务器来发送，则需要手动填写为发件服务器地址
//使用签名
email.TryUseDKIM(dkim);
email.FromEmail = "test@" + domain;
email.ToEmail("*****@*****.**"); //改成有效的邮箱地址
//添加附件
email.AddAttachment("abc文本内容123", "文本.txt");
email.AddAttachment("未命名文件内容，红红火火恍恍惚惚", "");
call(email);
}
};
create((email) => {
//发送邮件出去，去垃圾箱找，如果私钥是域名设置的话正常点
var res = email.Send("标题", "内容");
Console.WriteLine("【邮件发送】");
Console.WriteLine(res.IsError ? "失败：" + res.ErrorMessage : "成功");
Console.WriteLine();
});
create((email) => {
int len;
var msg = email.BuildMessage("标题", "内容", out len).Value;
//手动签名
dkim.Sign(msg);
//获取邮件内容
var raw = EMail_DKIM_MailMessageText.ToRAW(msg);
if (raw.IsError)
{
Console.WriteLine("获取邮件内容出错：" + raw.ErrorMessage);
return;
}
Console.WriteLine("【验证签名】");
Console.WriteLine(dkim.Verify(raw.Value) ? "合法" : "非法");
Console.WriteLine();
Console.WriteLine("【邮件(.eml)内容】");
Console.WriteLine(raw.Value.Raw);
});
create((email) => {
//设置发送到文件夹内，保存邮件，不投递
var dir = "d:/.email测试保存邮件文件夹";
Directory.CreateDirectory(dir);
email.OnSendBefore = (msg, smtp) => {
smtp.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory;
smtp.PickupDirectoryLocation = dir;
return(true);
};
var res = email.Send("标题", "内容");
Console.WriteLine("【另类保存】");
Console.WriteLine("目录：" + dir);
Console.WriteLine("结果：" + (res.IsError ? "失败，" + res.ErrorMessage : "已保存"));
});
}
