How to send mail on yahoo, hotmail

mabubakarpk · #1 July 8th, 2009, 07:27 AM

Hello All,

I want to send mail through asp.net to other my company domain e.g yahoo, hotmail etc
Code is as below

////Start Code////////

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Imports System.Net.Mail

 Dim MailMessage As MailMessage = New MailMessage
 
        MailMessage.From = New System.Net.Mail.MailAddress   ("DO_NOT_REPLY@QHSE.COM")
 
        MailMessage.To.Add(New MailAddress("abc@hotmail.com"))
 
        MailMessage.Subject = "Subject"
 
        MailMessage.Body = "Body"
 
        Dim SmtpClient As SmtpClient = New SmtpClient
 
        SmtpClient.Host = "es10" ' my email server

        SmtpClient.Port = 25
 
        Try

            SmtpClient.Send(MailMessage)
 
        Catch ex As Exception

            Response.Write(ex.Message)

        End Try

////////////End Code///

But it returns error message as below.

Transaction failed. The server response was: Relay rejected for policy reasons.

Note: when i send email to my company adress through this code it work properly.

Any one can help

Thanks

Frinavale · #2 July 8th, 2009, 02:54 PM

Is your mail server configured to allow outbound emails?

insertAlias · #3 July 9th, 2009, 03:33 PM

I don't believe that Hotmail or Yahoo will let you use their relays.

You might try providing your login credentials to the SMTP server though. It may work.

Before I give you this code sample, I have to say that using a Class name for an instance name is just plain crazy. You made an SmtpClient object called SmtpClient. How do you know which you are referring to, the instance, or the class? Change the name to something else, like this maybe:

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 Dim MailServer As SmtpClient = New SmtpClient

MailServer.Credentials = new System.Net.NetworkCredential("username", "password")

How to send mail on yahoo, hotmail

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