Asp net send bulk mail in parallel fastest and most efficient way

Introduction

ASP.NET is a popular programming language used for building web applications. One common requirement in web applications is the ability to send bulk in parallel, which can be a time-consuming task if not done efficiently. In this article, we will explore the fastest and most way to send bulk emails in parallel using ASP.NET.

Using Parallel.ForEach

One approach to bulk emails in parallel is by using the Parallel.ForEach method provided by the .NET framework. This method allows us to iterate over a collection of email addresses and send emails to each address in parallel.


Parallel.ForEach(emailAddresses, emailAddress =>
{
    // Send email to emailAddress
});

By using Parallel.ForEach, the emails will be sent concurrently, which can significantly reduce the overall time taken to send bulk emails. However, it is to note that the number of parallel tasks should be limited to avoid overwhelming the email server or causing performance .

Throttling the Number of Parallel Tasks

To ensure the efficient sending of bulk emails, it is recommended to throttle the number of parallel tasks. This can be achieved by using the Task Parallel Library's TaskScheduler class.


Parallel.ForEach(emailAddresses, new ParallelOptions { MaxDegreeOfParallelism = 10 }, emailAddress =>
{
    // Send email to emailAddress
});

In the above example, the MaxDegreeOfParallelism property is set to 10, which means that a maximum of 10 parallel tasks will be executed at a time. Adjust this value based on the capabilities of your email server and the network infrastructure.

Handling

When sending bulk emails, it is important to handle any exceptions that may occur during the process. This ensures that the continues to run smoothly even if some emails fail to send.


Parallel.ForEach(emailAddresses, new ParallelOptions { MaxDegreeOfParallelism = 10 }, emailAddress =>
{
    try
    {
        // Send email to emailAddress
    }
    catch (Exception ex)
    {
        // Handle exception
    }
});

By wrapping the sending logic in a try-catch block, any exceptions thrown during the sending process can be caught and handled appropriately. This ensures that the application continues to send emails even if some fail.

Conclusion

Sending bulk emails in parallel can greatly improve the of your web application. By using the Parallel.ForEach method and throttling the number of parallel tasks, you can send emails and more efficiently. Additionally, handling exceptions ensures that the application continues to run smoothly even if some emails fail to send. these techniques in your ASP.NET application will help you achieve the fastest and most efficient way to send bulk emails in parallel.

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