Hmailserver C# SMTP
本文关键字:SMTP Hmailserver | 更新日期: 2023-09-27 17:58:40
我只是想让我的hmailserver从我的C#程序发送邮件。让我头疼的是SSL部分。
我最初得到这个错误:The SMTP server requires a secure connection or the client was not authenticated. The server response was: SMTP authentication is required.
所以我添加了:smtp。EnableSsl=true;现在我得到Server does not support secure connections.
这是我的代码,这让我抓狂。我必须创建自己的SSL吗?或者有办法在hmailserver端禁用SSL吗?
MailMessage mail = new MailMessage("jlnt@ademo.net", "com", "NEW Item", emailBody);
SmtpClient smtp = new SmtpClient("1.1.1.250");
smtp.Port = 25;
NetworkCredential login = new NetworkCredential("ja@test.net", "dg");
smtp.Credentials = login;
smtp.EnableSsl = true;
smtp.UseDefaultCredentials = false;
smtp.Send(mail);
好吧,你要做的就是在HMailServer中转到高级ip范围。创建一个新的IP范围,例如,如果您为192.168.1.2,则必须将范围设置为192.168.1.1-192.168.1.3,然后在底部取消选中所有必需的smtp身份验证框。
烦人。。。
我遇到了这个问题,我所做的是使用localhost ip和EnableSsl来伪造
SmtpClient smtpClient = new SmtpClient();
smtpClient.Host = "127.0.0.1";
smtpClient.Credentials = new NetworkCredential("test@123test.com", "pass123");
smtpClient.EnableSsl = false;
// then your other statements like: from, to, body, to send mail
本指南将帮助您在如上所述的HMailServer中设置自定义NetworkCredentials,希望对某人有所帮助。
要启用通过电子邮件提供商发送电子邮件的安全连接,您必须更改端口号。
MailMessage mail = new MailMessage("jlnt@ademo.net", "com", "NEW Item", emailBody);
SmtpClient smtp = new SmtpClient("1.1.1.250");
//smtp.Port =25;
smtp.Port =587;
NetworkCredential login = new NetworkCredential("ja@test.net", "dg");
smtp.Credentials = login;
smtp.EnableSsl = true;
smtp.UseDefaultCredentials = false;
smtp.Send(mail);
我在尝试配置hMailServer以处理从C#发送的电子邮件时偶然发现了这个问题。我尝试过以下几种:
- C#SmtpClient-不适用于隐式SSL-请参阅以下问答
- AegisImplicitMail-无法使用UTF-8字符串(我的字符串中有变音符号)
- MailKit来自这里-非常强大和成熟,使用它没有问题
我的目标是:
- 体面的安全
- 能够向主流电子邮件提供商(如谷歌、雅虎)发送电子邮件并访问收件箱
- 能够接收来自主流电子邮件提供商的电子邮件
C#代码
public void MailKitSend(string senderEmail, string senderName, string subject, string bodyText, string receivers, string receiversCc)
{
// no receivers, no e-mail is sent
if (string.IsNullOrEmpty(receivers))
return;
var msg = new MimeMessage();
msg.From.Add(new MailboxAddress(Encoding.UTF8, senderName, senderEmail));
msg.Subject = subject;
var bb = new BodyBuilder {HtmlBody = bodyText};
msg.Body = bb.ToMessageBody();
IList<string> receiversEmails = receivers.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries).ToList();
foreach (string receiver in receiversEmails)
msg.To.Add(new MailboxAddress(Encoding.UTF8, "", receiver));
if (!string.IsNullOrEmpty(receiversCc))
{
IList<string> receiversEmailsCc = receiversCc.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries).ToList();
foreach (string receiverCc in receiversEmailsCc)
msg.Cc.Add(new MailboxAddress(Encoding.UTF8, "", receiverCc));
}
try
{
var sc = new MailKit.Net.Smtp.SmtpClient();
if (!string.IsNullOrWhiteSpace(SmtpUser) && !string.IsNullOrWhiteSpace(SmtpPassword))
{
sc.Connect(SmtpServer, 465);
sc.Authenticate(SmtpUser, SmtpPassword);
}
sc.Send(msg);
sc.Disconnect(true);
}
catch (Exception exc)
{
string err = $"Error sending e-mail from {senderEmail} ({senderName}) to {receivers}: {exc}";
throw new ApplicationException(err);
}
}
hMailServer配置
1) 打开的端口-25143465995是打开的,以确保您可以发送和接收电子邮件
2) TCP/IP端口配置
SMTP / 0.0.0.0 / port 25 / no security (allow receiving start process)
SMTP / 0.0.0.0 / port 465 / SSL/TLS security (must define a SSL certificate)
POP3 / 0.0.0.0 / port 995 / SSL/TLS security (use the same SSL certificate)
3) C#测试前
从hMailServer管理员运行诊断
使用允许手动配置各种设置的电子邮件客户端,例如每个协议的端口、安全性。我用过雷鸟。包括向外部提供商发送电子邮件和从他们那里接收电子邮件(我尝试过使用Gmail)。
我没有改变IP范围,留下了隐含的范围(我的电脑和互联网)。
虽然公布接受的答案已经7年了——我一开始也投了赞成票——但我想强调的是,建议的解决方案禁用了整个身份验证过程,这是不必要的。问题在于:
smtp.UseDefaultCredentials = false;
只要拆下那根线就行了。
我在这里发布了我的工作解决方案(注意我没有使用SSL):
MailMessage mail = new MailMessage("a1@test.com", "foooo@gmail.com");
SmtpClient client = new SmtpClient();
client.Credentials = new NetworkCredential("a1@test.com", "test");
client.Port = 25;
client.EnableSsl = false;
client.DeliveryMethod = SmtpDeliveryMethod.Network;
client.UseDefaultCredentials = false;
client.Host = "...IPv4 Address from ipconfig...";
mail.Subject = "this is a test email.";
mail.Body = "this is my test email body";
client.Send(mail);