Web Forms :: Sending Mail Over Exchange Server With C#?
Sep 15, 2010
I do not want to set up a smtp server for mail sending.
I want to use existing exchange server.
How can i send an e-mail over exchange server?
Is there sample c# code?
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Similar Messages:
Aug 4, 2010
Using Visual Studio 2010 Web Developer Express (vb.net code) with SqlDataSource to SQL Server 2008.
I am developing an email form to my users to send email to vendors with an attachment. The aspx page is quite simple -- 2 dropdownlists, a fileupload control, and a send email button. They select their store (which populates the "From" address of the email). They select the Vendor (which populates the "To" address of the email). Then they browse for the file attachment and click "send email"
I just can't get outside emails to send. I do not get any error messages in the web page. If I change the email1 and email2 in SQL Server Vendor table to an email address (mine) within the domain I get the emails. However when I change to a test hotmail, yahoo, or gmail accounts the emails never get there. I have absolutely no confidence that my programming is correct so before I go to the IT Manager again I really need to verify I am not missing something on my end. We did make a change on the exchange server to allow anonymous email from my webserver and still didn't work.
Here is my webconfig file:
[Code]....
Here is my code-behind:
[Code]....
Here is my aspx page:
[Code]....
I have been playing around with the programming for 2 days making 1 change at a time then testing to see if external email is sending. I'm going quite crazy at this point ...
I've put in breakpoints and debugged. Below is the output from the latest test. I have concerns about the clientDomain being "SQLSVR" which is my webserver name, our domain is "chuckanddons.com". As well as the line "Domain" that is blank " " under NetworkCredential. Also the line TargetName "SMTPSVC/exchangesvr"
[Code]....
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Jan 14, 2010
i am building an intranet for the company and i when a ticket is raised i want to select a person and send them that ticket. I have the gridview in place and the users email address. All i need is some simplle send mail code in c# to get it going. I am not sure on what i have to do weather i have to authenticate it and if the fact that exchange is on a sbs 2008 server called server01 and the intranet is on server02 they are both on the same domain.
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Apr 29, 2010
I got an error while sending mail from server, i am using this code:
public static void SendMail(string subject, string body, string from, string to)
{
try
[code]...
This code is working fine in my local system but when i upload it on server then it gives this error. From the last 1 year it was working fine but from last few days it gives me above said error, please suggest me is there any authentication required to send mail from server (my hosting plan is with 1and1.com)
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May 14, 2012
Mail is not working in go daddy server and works fine in other server..
Error is showing like this : "* Could not send the e-mail - error: The transport failed to connect to the server"
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May 7, 2015
URL....I used above code to send Confirmation-email but below error happen..The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at...An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. System.Net.Mail. Smtp Exception: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more atSource Error:
Line 87: smtp.Credentials = NetworkCred;
Line 88: smtp.Port = 587;
Line 89: smtp.Send(mm);
Line 90: }
Line 91:
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Oct 1, 2010
I have a function in my asp.net page and whenever it is called it is giving me an error
"A page can have only one server Form tag"It doesn't happen when the page is loaded.only after a button is clicked.
The code is:
void send(object sender, EventArgs e){
StringBuilder sb=new StringBuilder();
StringWriter sw= new StringWriter(sb);
[code]...
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Apr 13, 2013
I have written the following code for sending mail.But i am getting error as failure sending mail.I can send mail when the network host is smtp.gmail.com.Heres the code
MailMessage mm = new MailMessage();
mm.From = new MailAddress(ConfigurationManager.AppSettings["Email"].ToString());
mm.To.Add(new MailAddress("gopikshnan@gmail.com"));
mm.Subject = Subject;
mm.Body = Body;
[code]....
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Apr 9, 2010
I am uisng ExchangeVersion.Exchange2007_SP1 EWS to send mail through my c#.net application. I want to embed image in mail body so tht user can see body message along with image in its inbox mail .currently I am uisng image tag to show image but in the email body its just showing image url instead of image.
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May 12, 2010
I have developed a colleg web applicaition. I have used my gmail account as my smtp server to send back to the client passwords from "Password recovery" link. The problem is that , I am able to send messages only from my gmail account. I want to know whether I can send messages using different e-mail addresses of the clients retrieved from the database instead of sending the mail using my own.
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Sep 17, 2010
'System.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Unable to read data from the transport connection: net_io_connectionclosed. at System.Net.Mail.SmtpReplyReaderFactory.ProcessRead(Byte[] buffer, Int32 offset, Int32 read, Boolean readLine) at............................
getting the above error when sending mail from asp.net 2.0
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Feb 15, 2011
i'm using asp.net 3.5 and my site is hosted on godaddy i have a contact us form on the site. and i have to send the contact queries on [URL] which is hosted on godaddy. whenever i try sending mails i get this error
The transport failed to connect to the server.
Description:
An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Runtime.InteropServices.COMException: The transport failed to connect to the server.
Source Error:
[Code]....
Line 250: SmtpMail.SmtpServer = "smtpout.asia.secureserver.net";
Line 251: mailmsg.Priority = System.Web.Mail.MailPriority.Normal;
Line 252: SmtpMail.Send(mailmsg);
Line 253: }
Line 254: }
i tried changing smtp to relay-hosting.secureserver.net aswell. but it didn't work. i'm using this method of my classfile's sendmail class public void SendMessage(string From, string ToEmail, string subject,string body)
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Aug 4, 2010
I need to send mail by downloading some attachment from server and attach it with mail and send in asp.net.
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Jul 26, 2010
Anyone know how to do this? Using my own mail server is easy, but in case there's something wrong with it or it ends up on some blacklist, I would like to use the receiver's mail server. There will only be one to: for each mail (it's a validation function to a sign-up).
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Feb 27, 2010
I need to send auto mails from MS SQL server,
WE hosted our site in shared Hosing account in Lunar pages. when I try to send mail from the MS SQL server. I am getting error like access denied. They not allow me to access the 'sys' database . i am unable to send the email from ms sql server.
Q1. Is any body sending mail from shared hosting server?
Q2. how can i send mails from this case? Is their any way to send Email from ms sql server with the minimum user privillege
My error details in server:
Msg 229, Level 14, State 5, Line number 1 EXECUTE permission denied on object 'sp_OACreate', database 'mssqlsystemresource', schema 'sys'.
Msg 229, Level 14, State 5, Line number 1 EXECUTE permission denied on object 'sp_OASetProperty', database 'mssqlsystemresource', schema 'sys'.
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Sep 15, 2010
VWD 2008 Express. Visual Basic. I use the following routine (XXXXX have replaced sensitive data) to try to send an email message to mutiple email addresses. It only sends to the first email address in the comma-delimited list. How can I send the message to multiple email addresses?
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May 12, 2010
Server does not support secure connections. at System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port) at System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port) atSystem.Net.Mail.SmtpClient.GetConnection() at System.Net.Mail.SmtpClient.Send(MailMessage message) at MailWebService.SendMail(String fromAddress, String toAddress, String subject, String body)I am using a web service to send my mail and I get this error when smtp.EnableSsl = true;If I change it to false it works
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Aug 29, 2010
I run a Exchange 2010 server and created an account for one of my websites to send e-mails.
The webserver's IP is even listed on the [Organization Configuration] -> [Hub Transport] -> [Global Settings] -> [Transport Settings] -> [Message Delivery] list.
The code sets a set of Network Credentials, but setting incorrect or correct settings, it doesn't matter; if I list external e-mail addresses, I get a "Mailbox unavailable. The server response was: 5.7.1 Unable to relay for <address>" message, 'local' addresses that are cc-ed, do get delivered...
When checking with telnet, I noticed that the only AUTH option was AUTH NTLM, but when checking the NetworkCredentails, it stated that NTLM should would.
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Jun 16, 2010
I've built several websites on my local machine and have successfully tested sending mail from within the application, but suddenly the mail won't go anywhere! I have a try-catch routine, and I'm getting the message that the mail has been sent successfully but it's not going anywhere. This is the code that I've used in a test page - the html page has a button and a textbox and nothing else. I've imported the system.net.mail namespace.
[Code]....
I'm getting the 'Email Successfully Sent' Message but I'm not receiving the email. I don't think I've changed any settings to stop the emails from going.
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Sep 15, 2010
i'm trying to send a mail with c#, but atm it isn't working out that well. When i try to run the code, i get an error that says: "5.5.1 Authentication Required."
Here's the code to send the mail:
[Code]....
i think i have all the required code to send the mail, it just won't work. i've tried with port 465 and 25, but without success. I've checked the username and password several times. i'm just out of ideas.
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Dec 17, 2010
My application needs to send an email once the user has been registered. It should be able to send the new credentials, and a URL from the mail body. Every thing is working fine but I have few specifications that I am not able to reach.
1. I have multiple lines and I am not able to send a new line character from the mail body.
2. I should send them the link of my application which should be done using javascript (i guess) and i can not do it as well.
System.Net.Mail.
MailMessage mail =
new System.Net.Mail.MailMessage();
mail.Body =................
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Mar 4, 2010
I have 70 columns on my webform,want same convert as attachement and send as email by just clicking the button
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Aug 2, 2010
I'm currently trying to make an automatic e-mail sending web-site.
In database i keep mails and times , like ;
MAIL TIME
example@hotmail.com , 09:00 AM
example2@gmail.com , 10:00 AM
so , server shall always check datatable , if it current time is the sent time , server shall sent mail.
I've a function for sending mail, but i don't know how can i check if its sending time or not.
It shall be check every second on server , and shall be sent if it's time.
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Jan 22, 2010
i wrote code for mail sending, iam images in that mail also in that body i gave <img src="[URL]/Admin/imagesfolder/webdesign.gif"> bu it took <img src="[URL] now what can i do if giving some other website URL's it tooks prefectly.
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Feb 12, 2011
actually my code is working properly till lastmail sending and now i got a problem :-" sending confriguration is invalid "
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