smtpclient

Getting a sent MailMessage into the "Sent Folder"

I'm sending MailMessages with an SmtpClient (being delivered successfully) using an Exchange Server but would like my sent emails to go to the Sent Folder of the email address I'm sending them from (not happening). using (var mailMessage = new MailMessage("[email protected]", "[email protected]", "subject", "body")) { var smtpCl...

Adding Bcc to Email sending using .NET SmtpClient?

When sending email using the SMTPClient class in ASP.NET C#, how can I add bcc to the email? How can I add bcc to a MailMessage instance? ...

SmtpClient, send email through smtp.gmail.com, but From another account.

I wonna send email through gmail smtp, but users should see my corporative "From" SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587); smtp.EnableSsl = true; smtp.Credentials = new NetworkCredential("[email protected]", "pass", "mail.dynback.com"); I am getting SmtpException: "The SMTP server requires a secure connection or the cli...

SmtpClient becomes progressively slower

I am using SmtpClient (.NET 3.5, VS 2008) for mass mailings. The code below starts with about 2 seconds per send and deteriorates to more than 20 seconds per send after the foreach loop has processed about 30 addresses and proceeds to deteriorate. Any ideas? Jim // Setup Client SmtpClient client = new SmtpClient(smtpHost, 587); clien...

Sending out 20,000+ emails with asp.net

I am writing an application that will need to send a massive amount of emails to our students who will be selected from our database (each email will be personalized to the extent that will include their name, course of study etc...so needs to be sent one at a time). I could do this looping over an SmtpClient, but I'm afraid that with t...

Sending email through proxy using gmail smtp

Hello everyone, Trying to send some email in my C# app. I am behind a proxy - which is no doubt why the code isn't working. This is what I have so far: App.Config: <system.net> <defaultProxy enabled="false"> <proxy proxyaddress="xxx.xxx.xxx.xxx"/> </defaultProxy> <mailSettings> <smtp deliveryMethod="Network"> ...

Sending Email over VPN SmtpException net_io_connectionclosed

I am sending an email from a WPF application. When sending as a domain user on the network, the emails sends as expected. However, when I attempt to send email over a VPN connection, I get the following exception: Exception: System.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Unable to read data from the t...

send email C# using smtp server with username password authentification

I have a piece of code that sends email.. heres the code This is not working for me. This a remote smtp service ... and i double checked that email web access works fine .. i can login using the gui, recieve and send emails. But when i try to do it through code .. it fails with the message ... {System.Net.Mail.SmtpException: The SM...

what is means of this problem when sending email through web-application

i have this error when i sending email through our web application " Mailbox unavailable. The server response was: Requested action not taken: mailbox unavailable or not local" this is detail of error System.Net.Mail.SmtpFailedRecipientException was caught Message=Mailbox unavailable. The server response was: Requested action not tak...

How to set username and password for SmtpClient object in .NET?

I see different versions of the constructor, one uses info from web.config, one specifies the host, and one the host and port. But how do I set the username and password to something different from the web.config? We have the issue where our internal smtp is blocked by some high security clients and we want to use their smtp server, is t...

How does my ASP.NET app get the SMTP settings automatically from web.config?

I noticed that we always just are like: SmtpClient mSmtpClient = new SmtpClient(); // Send the mail message mSmtpClient.Send(mMailMessage); And the only place the credentials are set are in web.config: <system.net> <mailSettings> <smtp> <network host="xxx.xx.xxx.229" userName="xxxxxxxx" password="xxxxxxxx"/> ...

Proxy is preventing my program from connecting to the internet.

So I wrote this program to send a group of my friends a text message. It works fine at home when I try to use it at work it doesn't work. I get an error message "Failure Sending Mail". We are using a intercepting proxy at work. I though/hoped that everything would just work, clearly not. So what do I need to do, I've never programme...

.NET 4.0 Fails When sending emails with attachments larger than 3MB

I recently had an issue after upgrading my .net framework to 4.0 from 3.5: System.Net.Mail.SmtpException: Failure sending mail. ---> System.IndexOutOfRangeException: Index was outside the bounds of the array. at System.Net.Base64Stream.EncodeBytes(Byte[] buffer, Int32 offset, Int32 count, Boolean dontDeferFinalBytes, Boolean shouldAp...

sendAsync() does not send mail always in asp.net

Hi I am not able to send asynchronous mail in asp.net using c# .Though my code is correct as If I try to send mail 10 times then only of 1 time it is successful,rest of 9 times there is no error message but mail is also not sent at its destination.I am sending data in mail attachment. I want to send a file upto 5MB in size . Any typ...

When I specify port of SmtpClient, what exactly am I specifying?

I can specify a port number with SmtpClient object in ASP.NET, what I am wondering is, is that just the port .NET uses to send mail to the SMTP server? Or will that dictate what port for the SMTP server to use? Or is it that it MUST match the port configured for the SMTP server? ...

Failure sending mail

Hi, When i tried to send mail from Windows service, i got the exception with message "Failure sending mail". The same code works in the windows forms application. The windows service is running in local system account? Kindly help me in resolving this issue. Thanks, Jothi Prasad ...

Email not sent until application closes

I have an application that uses SmtpClient to send E-Mail, but the E-Mails are not sent until the application closes. I have searched and searched to find a solution to the problem, but I am not able to find one. The system does have Symantec anti-virus installed, which could possibly be the problem. Does anybody have a solution to t...

How to suppress email validation when using SmtpClient and MailMessage

When sending out emails using the SmtpClient and a MailMessage (.net 3.5) the "To" email address(es) get validated prior to sending. I've got a big stack of email addresses which have a dot (.) before the at-sign, causing a FormatException when you attempt to send the message using the SmtpClient. This is actually a good thing, because b...

System.Net.Mail.SmtpClient cannot authenticate against a POP3 server, right?

One of our customer seems to have a very old email system, those that ask you to authenticate to the POP3 server before allowing you to send messages through the SMTP server. Regrettably, we have to believe in what our customer tell us for we cannot access their facilities. But as far as I remember, years ago there were mail systems that...

How to extract embedded images from a draft Outlook email - and reconstruct for sending via System.Net.Mail.SmtpClient

I have an Outlook email (in HTML format) that's been saved as a draft. I want to programmatically extract the embedded images (not the attachments - that's easy!), save them somewhere, and then reconstruct the emails programatically for sending via a System.Net.Mail.SmtpClient. I can get at the HTML easily enough. I can also extract t...