Web Forms :: QueueUserWorkItem Sending Bulk Emails But Not Finished?
Feb 3, 2010
I am trying to use ThreadPool.QueueUserWorkItem to send daily newsletter to my website subscribed members (about 500 members) at 2:00 am every day automatically.I placed record on txt file everytime send out email for debuging, then I found that only about 165 members been send out. every day is different number but just about.never finished whole 500 members.looks like thread aborted before finish sent out all emails.anybody knows what's going on here?I am using shared hosting, so I couldn't run my own window service for this.
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Jun 23, 2010
write code that can send bulk emails from an access database using asp.net/vb? I only need to send about 200 emails per day. also the email must be addressed to that person, eg. if the email address is kylesmith@gmail.com then the email should read Dear Kyle as well as the TO field should state kylesmith@gmail.com
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Dec 10, 2010
This may be due to a lack of understanding of what's going on under the hood or simply a lack of understanding of threading in general. When a user logins I need to run some tasks that call web services to update data in my system. Since the services could take a considerable amount of time I thread the entire process. However, even though I think I'm running the whole series of tasks in a thread separate from my application, my application waits until the called function is finished before it proceeds.
WindowsIdentity identity = WindowsIdentity.GetCurrent();
Manager manager = (Manager)Session["Manager"];
ThreadPool.QueueUserWorkItem(new SafeWaitCallback().Call(identity, delegate(object noCallBack)
{
manager.RunAccountUpdater(identity);
}));
The application hangs until the function "RunAccountUpdater" is finished and the callback occurs. What am I doing wrong/not understanding?
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May 24, 2010
i am a new comer in asp.i needed asp code for sending bulk emails for various users.
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Jul 1, 2010
I am using gmail server settings to send emails for my asp.net website. Since there is a limitation on number of mails sent per day and limitations on sending to number of users, I cant use this service for long. Even If I use an idea to make sure I use multiple id's to send thousands of emails it will still not work.
I am taking care of all norms of subscribe and unsubscribe options, so that only registered users will receive mails.
I need to build a system which send mails accross thousands of emails * thousands of users per day. . I think this is possible, as emailers in twitter,facebook, orkut, linkeden work on same basis. Many of them use MailChimp Email Service.
But I am hosting my website on shared hosting (www.crystaltech.com) rather than dedicated server (Host Provider suggested me to go to dedicated server for my mail requirement). This host provider charges a lot to me if I include a dll, so I am not able to use dll. Is there any I can send bulk emails without using a dedicated server or dll.(Will use it in only in worst case scenario).My host providers said that they will be able to give service of sending only 800 mails per day. Are there any api providers for that. I have already checked with [URL]
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Jan 7, 2010
I am creating a bulk email sending facility for our website.I have got all the email in one table so i know i can use email sending features with one loop that take all the emails from the table and send it to everybody.I would like to give them a link that will opt out them from the list.If anybody has done it recently or know any link please suggest it.
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Mar 18, 2011
I d like to send bulk emails as part of custom reminder service for my website (500 emails approximately).Which is the better way to send all these emails without spamming? I was thinking of sending 15-20 emails per minute, to avoid overloading mail server. Is it better to use multiple TO recipients or use BCC?The reminder service will run on a background task.
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Nov 15, 2012
I used to send sms to many . but not working below are my code
sending sms one time
under button click
try {
//for loop
for (int i = 1; i < 11; i++) {
send("9786629228", "pwd", txtmessage.Text, txtnumber.Text);
[Code] .....
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Feb 1, 2011
I use a Smtp Client to email submitted information from an asp.net form. 3 users sent in their information and the user on the other end did not recieve either one of the emails. On the 2nd time around, she did recieve the emails. What could it be?
[Code]....
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Mar 25, 2013
I have a requirement like sending multiple mails for each update in database.But if i write mail sending code on button click then it will delay the page load time till all mails are send.Is there any way to send mails using seperate thread that runs at backend or maintain a queue.
One more think content of all mails are not same always.
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Nov 15, 2012
public void mail()
{
System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();
System.Net.Mail.SmtpClient smtpClient = new SmtpClient();
//create the mail message
//set the addresses
mail.From = new MailAddress("kamalakkanavar@gmail.com");
mail.To.Add(TextBox1.Text);
[CODE]...
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Jul 21, 2010
Dear sir all i want to know is that is this that best way to send mail to listof users provided that i need to had my custom html template as well.
[Code]....
And this is how i call this function to send multiple mail
[Code]....
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Jan 30, 2010
I have a requirement of sending 3000 Emails one by one with an attachment of around 100KB, I was using System.net.mail namespace with our company mail server.my program will send upto 360 mails after that it is not sending emails,and it is not giving any exception.what is the solution to my problem.
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Aug 24, 2010
I'm sending automatically emails when customers buy products on my ecommerce portal.
But, send pages by emails, at least in my server, using asp.net is too slow.
So, I want to send emails automattically, but using SERVER PROCESSING (Server Side). Did you get my point?
The customer won't see the sending process. But in background, directly on the server, the email is being sending.
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Dec 23, 2010
Looking to build a web application which provides a platform for sending bulk SMS on reasonable rates. Whether i have to sign an agreement with GSM providers for sending SMS or is there an alternative for this? If so, how can i embed the SMS service with my application code?
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Mar 23, 2011
I have a .exe application that runs daily. I want to avoid sending emails each time an exception is caught.I want to compile a list of errors (in a unique log file fileupload[mm/dd/yyyy].log) while the application runs. Then send an email with the log attached after it the application finishes.What would be the approach for this?
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May 7, 2015
i have a method/function that is used to send email, and this method is used in many aspx pages. how do i implement reusability by defining the method once and use in an web app.
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May 16, 2012
I want to send email thought asp.net page for that I need to find SMTP Host and port number below is my code
Dim EMail As New MailMessage
EMail.From = New MailAddress(Emailtaxebox.Text)
EMail.[To].Add(New MailAddress("sa@gmail.com"))
EMail.Subject = Firstnametextbox.Text + lastnametextbox.Text + "Registerd"
EMail.Body = " This is content "
EMail.IsBodyHtml = True
[code]....
how to find SMTP port and host name ? I used default one its gives me error.No connection could be made because the target machine actively refused it.
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Mar 12, 2010
My code sends email via asp.net mail namespace. Basically I generate HTML code which carries an image tag referring to an image on server. It uses absolute path and then the html email is sent to recipients.
Now when they receive emails on gmail and other clients, it wouldnt display images and not that images are broken but it wouldnt get displayed. Gmail is an issue wherein it prompts of non-https message and then display link on top. I know how to get around but my recipients have no clue on this technical things. so they end up not seeing the images.
How can I resolve this issue? How can I ensure that they always receive images irrespective of their internet settings?
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Sep 3, 2010
Here is my situation and hopefully someone could guide me in the right direction.I have a shared or static class in my website (App_Code folder) which has static methods to send emails asychronoulsy. So whenever there is an exception in any of my pages or classes I call these methods to send an email to support asynchronously. Now when there is an exception in a page, to route that exception asynchronously I need to have Async = "true" for that page. I have more than 50 pages and I don't want to set Async= "true" on every page as I read that it affects performance.So I was wondering if there is any way I could send emails asynchronously without having to set async = "true" on every page.
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Jan 20, 2010
I'm having an issue sending large volumes of emails out from an ASP.Net application. I won't post the code, but instead explain what's going on. The code should send emails to 4000 recipients but seems to stall at 385/387.
The code creates the content for the email in a string.
It then selects a list of email address to send to.
Looping through the data via a datareader it picks out the email address and sends an email.
The email sending is done by a separate method which can handle failures and returns it's outcome.
As each record is sent I produce an XML node in an XML document to log each specific attempt to send.
The loop seems to end prematurely and the XML document is saved to disk.
Now I know the code works. I have run it locally using the same SMTP machine and it worked fine with 500 records. Granted there was less content, but I can't see how that would make any difference.
I don't think the page itself times out, but even if it did, I was sure .Net would continue processing the page, even if the user saw a page time out error.
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Sep 21, 2010
Is there any samples on how to use ASP.NET built-in templates out of the page, just for rendering text with params. For instance, to build email message.
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Mar 8, 2010
I am using the ASP.NET membership provider controls (ChangePassword and PasswordRecovery) and they generally work just fine. Unfortunately they don't send any emails once the process is finished. I set up the SMTP server using the ASP.NET Configuration Website and it added the following lines to the web.config:
<system.net>
<mailSettings>
<smtp from="maildaemon@pagetailors.de">
<network host="pagetailors.de" password="XXXX" userName="XXXX" />
</smtp>
</mailSettings>
</system.net>
I also tried using the IP adress of the server instead of the domain. In addition to that I set the maildefinition properties on the used web controls:
<MailDefinition From="maildaemon@pagetailors.de"
Subject="Your new password">
</MailDefinition>
Once I finish changing or resetting the password, the controls shows the success message. It does not show any errors but the mails are not sent. I also checked the SMTP log files on the server (it's a MailEnable server) but couldn't even find an attempt to send these messages. I am using a custom email helper class which manually sends an email using the following settings:
public static void SendEmail(string from, string to, string subject, string body)
{
SmtpClient mailClient = new SmtpClient(ConfigReader.GetStringValue("MailServer"));
mailClient.Credentials = new NetworkCredential(ConfigReader.GetStringValue("MailUsername"),
ConfigReader.GetStringValue("MailPassword"));
MailMessage mailMessage = new MailMessage(from, to, subject, body);
mailClient.Send(mailMessage);
}
The values for mailserver, username and password read from the config file are the same as defined in the ASP.NET configuration tool. These mails are delivered successfully.
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Apr 12, 2010
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 the numbers I'm trying to send, I'll ultimately run into timeout issues or my thread being killed because of lack of machine resources. if looping over SmtpClient is an ok solution, how I should go about handling it to prevent what I posted above.
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Mar 15, 2011
i am developing a project wich sends massive amounts of emails. Lets say 200-300 emails per query. And each user can conduct multiple search querys. So at times it gets relly great number of emails to send.So this is what i need:1. a webservice with a fireAndForget type method, that i can pass in single or multiple email messages
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