电子邮件发送错误5.5.1需要验证 [英] Email send error 5.5.1 authentication required
本文介绍了电子邮件发送错误5.5.1需要验证的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
try
{
MailMessage mail = new MailMessage();
mail.From = new MailAddress("sami.goswami@gmail.com");
mail.To.Add(txtto.Text);
mail.Subject = txtsub.Text;
mail.Body = txtmsg.Text;
SmtpClient Smtpserver = new SmtpClient();
Smtpserver.Credentials = new NetworkCredential("sami.goswami@gmail.com", "password", "smtp.gmail.com");
Smtpserver.Host = "smtp.gmail.com";
Smtpserver.Port = 587;
Smtpserver.DeliveryMethod = SmtpDeliveryMethod.Network;
Smtpserver.EnableSsl = true;
Smtpserver.UseDefaultCredentials = false;
Smtpserver.Send(mail);
label1.Text = "Email successfully sent";
}
catch (Exception ex)
{
label1.Text = "Email failed" + ex.Message;
}
web.config文件
web.config file
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.5"/>
<httpRuntime targetFramework="4.5"/>
</system.web>
<system.net>
<mailSettings>
<smtp deliveryMethod="Network" from="sami.goswami@gmail.com">
<network defaultCredentials="false" host="smtp.gmail.com" port="25" userName="sami.goswami@gmail.com" password="password"/>
</smtp>
</mailSettings>
</system.net>
</configuration>
我尝试过:
i更改我的Gmail帐户设置但无法取得任何成功
What I have tried:
i change my gmail account setting but cant get any success
推荐答案
Manage your account access and security settings
登录 - Google帐户 [ ^ ]
更多
Sign in - Google Accounts[^]
Further more
Read this to learn how to allow less secure APPs to use your login:
https://support.google.com/accounts/answer/6010255?hl=en
尝试以下代码
Try the Below Code
using (MailMessage mail = new MailMessage())
{
mail.From = new MailAddress("From Mail-ID");
mail.To.Add("To Mail-ID");
mail.CC.Add("CC Mail-ID");//if required
mail.Subject = "Subject of the Mail";
mail.Body = "Body Content of the Mail";
mail.IsBodyHtml = true;
using (SmtpClient smtp = new SmtpClient())
{
smtp.Host = "smtp.gmail.com";
smtp.Port = 587;
smtp.EnableSsl = true;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential("From Mail-ID", MailPassword);
smtp.Send(mail);
}
}
希望这个帮助!
根据线程 smtp - 如何发送电子邮件使用C#到Gmail - Stack Overflow [ ^ ]它可能有助于执行该行
According to the thread smtp - How to send an e-mail with C# through Gmail - Stack Overflow[^] it may help to execute the line
Smtpserver.UseDefaultCredentials = false;
。
你是还要在 web.config 文件中指定端口25,但这里不应该关心。
before setting the credentials.
You are also specifying port 25 in your web.config file but that should not care here.
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