如何通过代理服务器发送vb.net Windows应用程序电子邮件? [英] How to send vb.net windows application email over proxy server?

问题描述

你好，

我需要创建一个小报告以从VB.NET Windows应用程序自动发送.我写了下面的代码，这些代码可在我的私人PC上运行，并具有Gmail设置，例如用户名+密码+ smtp.gmail.com等...

但是，我的工作信息(如我的代理ID +代理密码+公司smptserver +端口25)无法正常工作.

我是否在代码中缺少某些行:

Hello,

I need to create a small report to be send automaticliy from VB.NET Windows application. I have wrote below code which is working on my private PC, and with Gmail settings, such as username + password + smtp.gmail.com, etc...

But with, my work informations, like my proxy ID + proxy password + company smptserver + port 25, does not working .

Do I missing some lines in my code:

Imports System.Net.Mail
Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim Mail As New MailMessage
        Mail.Subject = "test email"
        Mail.To.Add("emailaddress")
        Mail.From = New MailAddress("emailaddress")
        Mail.Body = TextBox1.Text
        Dim SMTP As New SmtpClient("smtpserver")
        SMTP.EnableSsl = True
        SMTP.Credentials = New System.Net.NetworkCredential("username", "password")
        SMTP.Port = 25
        SMTP.Send(Mail)
    End Sub

预先感谢您的帮助.

Thank you in advance for help.

推荐答案

Google的电子邮件未使用端口25:
请参阅此处 [

Google does not use port 25 for its email:
see here[^]

好，我们使用的是MS Exchange服务器，而我使用的是Outlook.并且，端口为25.

Well, we are using MS Exchange server, and me as client using Outlook. And, port is 25.

已找到解决方案. SSL线路不需要ti.

SMTP.EnableSsl = True

Found as solution. SSL line is no need ti.

SMTP.EnableSsl = True

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