Error in Sending email from SMTP

Question

0.00/5 (No votes)

See more:

hi below i have given my code when i run this code i get error "Transaction failed. The server response was: Mail from itsupport@xxxxx.in rejected for policy reasons."

VB

Const ToAddress As String = "Diler_Patel@Yahoo.com"
        Dim mm As New MailMessage("itsupport@xxxxx.in", ToAddress)
               mm.Subject = "DemoSubject" 'subject.Text
        mm.Body = "DemoBody" 'body.Text
        mm.IsBodyHtml = False

        '(3) Create the SmtpClient object
        Dim smtp As New SmtpClient
        smtp.DeliveryMethod = SmtpDeliveryMethod.Network
        smtp.UseDefaultCredentials = False
        Dim basicAuthenticationInfo As New System.Net.NetworkCredential("itsupport@xxxxx.in", "password@123")
                smtp.Credentials = basicAuthenticationInfo
        smtp.Host = "xxxxx.in"

        smtp.Port = 25
        'smtp.EnableSsl = True
                smtp.Send(mm)

can u help me whats wrong with this code and one more thing if i enableSsl = true than i get error "Server dose not support Secure Connection"

Posted 23-May-12 2:46am

Diler Patel

Add a Solution

4 solutions

Solution 1

Transaction failed. The server response was: Mail from itsupport@xxxxx.in rejected for policy reasons.
It clearly means that your email server did not allow email to be sent from the given email ID because of the policies defined by your mail server for sending an email. It can be because of any reason against defined policy like sending an exe file in email or some text in the email which is not appropriate. It might also happen that the user credentials are not authorized to do so.

Server dose not support Secure Connection
There are defined SMTP ports that allow secure connection. Looks like the port used to send email for SSL is not configured for the used port.

Make sure you have configured SMTP configuration correctly in Web.Config:

<system.net>
   <mailSettings>
     <smtp from="abc@somedomain.com">
       <network host="somesmtpserver" port="25" userName="name" password="pass" defaultCredentials="true" />
     </smtp>
   </mailSettings>
</system.net>

If needed, have a look at this Microsoft Video tutorial: Use ASP.NET to send Email from Website[^]

Posted 23-May-12 4:11am

Sandeep Mewara

Solution 2

Your server does not support SSL on the default port; Most won't

This is apparently an issue with how the SMTP server is configured. You will need to get appropriate credentials, or have the SMTP server set to allow mail to be sent from the web server.

Posted 23-May-12 4:18am

Ganesan Senthilvel

Solution 3

Try with Different Port. Due to security reasons, most of Admins have enabled other ports.
Contact your Network Administrator for SMTP Port number and proper configurations.

Posted 23-May-12 6:03am

John Bhatt

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Diler Patel · Accepted Answer · 2012-05-24T19:24:00

first many thanks to Mr Sandeep Mewara sir ur explaination helped me to reach exat problem

my Actuall problem was in mailing server Admin have blocked all the mailing ports and the have LOTUS NOTES server which send mail through port 25, but only LOTUS Notes server can send mail through that port i dont know how they did that. . . i wrote a code to send mail from lotus notes client which is installed on my web app server and i my code works fine and it triggers mail and is recived :)

thanks to everyone & CodeProject Team