system.net.mail

Multipart HTML and embedded images from .NET without disk access?

I'm working on a product that creates MS Word output by generating an HTML document with the appropriate bits of Word CSS and XML magic embedded in it. I now need to embed RTF (images and styled text) in the document, and so am looking at the multipart HTML generation features in .NET. I'd like to generate the MHTML document by converti...

SmtpClient.SendAsync - How to ensure my application doesn't finish before callback?

Hi, I need to send emails asychronously through a console application. I need to do some DB updates on the callback but my application is exiting before the callback code gets run! How can I stop this from happening in a nice manner rather than simply guessing how long to wait before exiting. I would imagine the Async calls get placed ...

Why can't you send multiple emails asynchronously using the same SmtpClient instance?

What it says on the tin. ...

system.net.mail message and ajaxpro

Hi Experts, I am trying to send a mail (Forgot password) to the client using ajax pro. so when the control enters the function and creates the object MailMessage mm = new MailMessage(ConfigurationService.GetFromEmailAddress(), To); , it fails. but works otherwise. It also works when I use system.web.mail. Is there any particular reaso...

1and1 windows hosting with asp.net

Not sure if anyone has used 1and1 MS Hosting and encountered problems with their trust levels? I am simply trying to send mail using system.net.mail in asp.net (which works fine) but when its online with 1and1 I get this error: Description: The application attempted to perform an operation not allowed by the security policy. To...

What possible errors could I expect to recieve in System.Net.Mail.SendCompletedEventHandler?

I am using the SendAsync method to send some emails out. What different errors could possibly be returned in the AsyncCompletedEventArgs in the SendCompletedEventHandler? Is there recommended practices for handling these? ...

.Net System.Mail.Message adding multiple "To" addresses

EDIT: This question is pointless, except as an exercise in red herrings. The issue turned out to be a combination of my idiocy (NO ONE was being emailed as the host was not being specified and was incorrect in web.config) and the users telling me that they sometimes got the emails and sometimes didn't, when in reality they were NEVER g...

Jmail vs System.Net.Mail

Currently all our projects use jMail. It has been this way since .NET 1.0. Should I start my next project using System.Net.Mail? Are there any advantages that one has over the other or is it just preference? ...

Performance problem with System.Net.Mail

I have this unusual problem with mailing from my app. At first it wasn't working (getting unable to relay error crap) anyways I added the proper authentication and it works. My problem now is, if I try to send around 300 emails (each with a 500k attachment) the app starts hanging around 95% thru the process. Here is some of my code whic...

MailMessage, difference between Sender and From properties

I've been using the System.Net namespace ever since we switched from .net Framework 1.1 to the 3.5 framework, but there's one thing that's been puzzling me since. What's the difference between the Sender and the From properties in the MailMessage class? Are they both the same, and if not is there a reason to use Sender together with Fr...

Can I mark an Email as "High Importance" for Outlook using System.Net.Mail?

Part of the application I'm working on for my client involves sending emails for events. Sometimes these are highly important. My client, and most of my client's clients, use Outlook, which has the ability to mark a mail message as High Importance. Now, I know it is callous to assume that all end users will be using the same interface, ...

How to send emails with a Return Path in .net 3.5

Can any one guide me on how i can send emails with a return path in ASP.net 3.5 / C# 3.5. I know this was possible few years back but now due to spoofing issues this is not possible. I have been looking on internet but no use. I want the emails if bounced, should reach my bounce mail box, which could be like [email protected]. Please ...

Relay access denied, system.net.mail

Hi all, We have a aspx.net site which send out mail to users using a web server hosted externly. This have been working perfectly for a couple of years sending 100-1000 mails pr day, but recently users have started to report that they do not recieve mails - some days they recieve all mails (2-100) and some days only 40-60%. All mails...

How to send mail with large size attachment using System.Net.Mail to Google Apps ?

Hi, I am trying to send mail with large size attachment upto (1MB,2MB). But sending mail fails.(Sending to Google Apps) as: MailItemEntry[] entries = new MailItemEntry[1]; String EmlPath = "C:\\testemail.eml"; String msg = File.ReadAllText(EmlPath); entries[0] = new MailItemEntry(); entries[0].Rf...

.NET System.Net.Mail messages are always being flagged junk, on internal server.

I'm using System.Net.Mail to send out a few emails. The emails are being sent by our internal mail server to local addresses. However all of the messages are going straight to junk in Outlook. The messages are being sent from valid email addresses. What would be causing our our servers to label it as junk? MailMessage msg = new MailMess...

Send mail in asp.net

Hi Experts, I am using asp.net 3.5 and C#. I want to send mail from asp.net, for that I have got some details from my hosting provider which are these: mail.MySite.net UserName Password But I am unable to send mail through these details, I have done the following changes in my web.config file: <system.net> <mailSettings> ...

Why does System.Net.Mail work in one part of my c#.net web app, but not in another?

I have a web application that is running on IIS within my company's domain, and is being accessed via intranet. I have this application sending out email based on some user actions. For example, its a scheduling application in part, so if a task is completed, an email is sent out notifying other users of that. The problem is, the emai...

How to use email adresses with special chars such as Ø

By writing this: var recipient = new MailAddress("name@abcø.dk"); Notice the "ø" in the domain part. I get an exception stating: System.FormatException: The specified string is not in the form required for an e-mail address. at System.Net.Mime.MailBnfHelper.ReadMailAddress(String data, Int32& offset, String& displayName) ...

System.Net.Mail.MailMessage "Reply-To" header is ignored in IIS 6.0 but OK in IIS 5.1

I have a web app project developed and unit-tested on a WinXP machine (IIS 5.1). It has been published to a Win2003Server (IIS 6.0). One feature of the app sends an email with a "Reply-To" header (snippet follows). On the IIS 5.1 machine, the Reply-To appears properly in the header. When sent from the IIS 6.0 PC, the header does not cont...

Sending to multiple Email addresses but displaying only one C#

Hi, I am using the SmtpClient in C# and I will be sending to potentially 100s of email addresses. I don't want to have to loop through each one and send them an individual email. I know it is possible to only send the message once but I don't want the email from address to display the 100s of other email addresses like this: Bob Hope...