smtpclient

Unable to send email via SmtpClient

Hello, I have been trying to send an email by C#. I have googled for various examples and have taken bits and pieces from each and form the standard code which everyone would most probably be using. string to = "[email protected]"; string from = "[email protected]"; string subject = "Hello World!"; string body = "Hello Body!"; Mail...

SMTP Validation of E-Mail Address

I'm working on a project which requires me to know with extremely high probability the availability of an e-mail account on a mail server (let's use Hotmail in this example.) I know that the VRFY command is often ignored (Hotmail says "I'll take a message" or something of the like when I try it,) so I'd like to know the best way to go ab...

multi email send

I am using the below code, and it only sends one email - I have to send multiple emails. For getting more than one email I use: string connectionString = ConfigurationManager.ConnectionStrings["email_data"].ConnectionString; OleDbConnection con100 = new OleDbConnection(connectionString); OleDbCommand cmd100 = new OleDb...

Why is ASP.NET SmtpClient.Send() making my site unavailable?

Hello everyone, I have an ASP MVC 2 application, through which I occasionally send emails using SmtpClient.Send(). Typically, emails are sent out in batches of between 1 and 50 emails, with hours or even days passing between batches. I have this all set up so that the emails are actually sending just fine. But, the problem is that when ...

Does System.Net.Mail.SmtpClient support CRAM-MD5 authentication?

Does System.Net.Mail.SmtpClient support CRAM-MD5 authentication, and if so, do I need to do anything to enable it? MSDN appears to be silent on the matter. ...

Are SMTP relay requirements for System.Net.Mail different than System.Web.Mail

I deployed my web app to our production IIS 6.0 server and everything is working except when my code attempts to send email to an address that is NOT in the domain of our email server. I've seen various symptoms but this seems the most straightforward to describe: Syntax error in parameters or arguments. The server response was: 5.7.1 T...

Can the content of a email read receipt be set in the original email?

Hi, I use the following code to send a message and require a read receipt. Then I use outlook to open this message and send back the read receipt. The read receipt is received, my question is could I set the content of the read receipt in the original message? MailMessage message = new MailMessage(); message.From = new MailAddres...

Why ftp credentials are stripped away from email body when using MailMessage in C#?

I am dispatching emails at clients, notifying them for specific content deliveries and I have a problem with the containing ftp uri in mail body. I am constructing the ftp uri alongside with ftp credentials in the following format, but the credentials part is stripped away (the section user:pass@): ftp://user:pass@server/relativepath/f...

Proper way to pass username/password to SmtpClient (.NET)

The question is too simple, but still appreciate the short answer. I would like the SmtpClient to fetch username/password from the App.config file. From the MSDN/schema I've figured out that the proper file (excerpt) should look like: <system.net> <mailSettings> <smtp from="[email protected]"> <network host="mail...

iphone smtp client library

Hello, any one knows an objective-c smtp library for use in iphone app. I use skpsmtpmessage http://code.google.com/p/skpsmtpmessage/ but it sends message body as attachment when send mail to gmail. thanks. ...

Can't send mail with SmtpClient

Can't send mail. Here is my C# source: var to = "[email protected]"; var subject = "test"; var body = "test mail"; var message = new MailMessage(from, to, subject, body); var client = new SmtpClient { Credentials = new NetworkCredential("[email protected]", "mypassword") }; client.Send(message); here is the App.config: <s...

smtpclient.send() sends the email sussessfully even to wrong address(address that doesnt exists)

i need to check if the mail is sent to specified user successfully but this function returns no error for the email addresses that even doesnt exists how to handle this ...

SMTP Error: Failure Sending Email

I've downloaded a sample application sending email silverlight application here via gmail. But I cant make it work. Its error is "Failure sending mail." {"Failure sending mail."} [System.Net.Mail.SmtpException]: {"Failure sending mail."} Data: {System.Collections.ListDictionaryInternal} HelpLink: null InnerEx...

sending email with smtp client with attachment giving error

i am sending an attachement, and the email sends successfuly , but when i tries to delete the same file it gives the error as "file is being used by another process" i am deleting by system.io.file.delete() ...

Async email from .Net

I'm trying to send an email async so it doesn't slow down my front end (Asp.Net MVC). SmtpClient smtp = new SmtpClient(_mailServer, 25); smtp.UseDefaultCredentials = true; MailMessage message = new MailMessage(); // ...etc smtp.SendA(message); // this works fine smtp.SendAsync(message, null); // if i change it to this, it doesn't wor...

Send An Email On Specific Date & TIme By ASP.Net and Using SMTP

Hi i have made application...that can have numbers of Event on Specified Date, So i want to code tat when time for event is arrived so tat automatically the participant get information about the event..so i want to send email to all participant before a day..so suggest me the best idea of links Thanks (In Advance) ...

SmtpClient.SendAsync decrease or increase performance?

If I have 2 SmtpClient objects and I call SendAsync() method on both simultaneously, will these 2 send requests be processed sequentially in one thread or simultaneously in more than one? What is the implementation of SendAsync() method? If every SendAsync() method call is processed in new thread from the web server thread pool, this ca...

Sending mail in .NET

Hi, everyone! I'm trying to send mail in ASP.NET web-site. I have smtp configuration section in web.config file. How can I configure it to send mail from everyone to everyone? ...

WCF + SmtpClient: only works in a Windows 2008 environment

Hello all, Continuing the discussion started in another post: I used windows service to host a WCF mail sender. The service itself is quite simple: it uses a DataContract to get the basic System.Net.Mail.MailMessage class properties (supports attachment - please see the mentioned post, code by edosoft) and the System.Net.Mail.SmtpClient...