How to send automatic mail to members before 7 days from due date?

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Hello,

I have an application where all the members should receive an email 1 week before the due date.
for eg. If the due date is 30th June then the members should receive email on 23rd June for paying their dues.

For sending mail I have used following code:

C#

MailMessage Msg = new MailMessage();
                Msg.From = new MailAddress("from@abc.com");
                Msg.To.Add("to@abc.com");
                Msg.Subject = "Message from  Website";
                string body = "Your maintenance for month June is INR 500 and should be paid by 30th June. If paid after this date your amount will be 600. Please ignore if already paid. ";
               
             
                Msg.Body = body;

                // your remote SMTP server IP.
                SmtpClient smtp = new SmtpClient();
                smtp.Host = "localhost";
                smtp.Port = 25;
                smtp.Send(Msg);
                Msg = null;

Please help me to solve this.
Thanks in advance.

Posted 22-Jun-14 19:52pm

Dhanashri_G

Updated 22-Jun-14 21:07pm

Nirav Prabtani

v2

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Comments

Bh@gyesh 23-Jun-14 2:09am

Make window service for sending mail and write your logic for date compare and send email within it. It will solve your problem.

Dhanashri_G 23-Jun-14 2:20am

Thanks for your reply. Is there any other way rather than using windows service?

Bh@gyesh 23-Jun-14 2:27am

You can use window scheduler also for this task. the main thing is sending mail before one week so, there should be some application running on your system that will check for date validation without it this thing u need to do manually.. :)

Dhanashri_G 23-Jun-14 2:32am

Sorry I forgot to mention that this is a web application and i have hosted this on server.

Bh@gyesh 23-Jun-14 2:37am

no issue. you can use window service..

Dhanashri_G 23-Jun-14 2:51am

Ok. Thanks a lot.:)

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Prasad Avunoori · Accepted Answer · 2014-06-22T20:43:00

C#

public void SendMail()
       {
           DateTime dueDate = Convert.ToDateTime("06/30/2014");
           DateTime currentDate = DateTime.Now;
           System.TimeSpan diffDays = dueDate.Subtract(currentDate);
           if (diffDays.Days == 7)
           {

               //Write the logic to send mail;
           }

       }

Build a windows service as above and schedule it run once a day.