我在 asp.net (C#) 中发送电子邮件时遇到问题.使用 gmail 或 hotmail 配置时不会出现此问题



我在这里附上了代码:

string from = "name@comapanydomain.com";
string to = "name@comapanydomain.com";
string subject = "Employer request form";
string body = "body";
string senderEmail = "un";
string senderPassword = "password";

MailMessage o = new MailMessage(from, to, subject, body.ToString());
NetworkCredential netCred = new NetworkCredential(senderEmail, senderPassword);
SmtpClient smtpobj = new SmtpClient();
smtpobj.Host = "ip address(e.g:192.232.122.232)";
smtpobj.Port = 25;
smtpobj.EnableSsl = false;
smtpobj.UseDefaultCredentials = true;
smtpobj.Credentials = netCred;
smtpobj.Send(o);

电子邮件服务提供商 ->快速云和 域名提供商 -> godaddy。

电子邮件配置由快速云提供, 该配置在发送电子邮件时适用于 Outlook,但不适用于网站。我也附加了错误。请协助。我收到的错误:远程主机强行关闭了现有连接谢谢

请仔细检查端口号。它可能不是 25

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