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Hi, I plan to use SMTP mail server to send mail in my application. May I know how to verify that the email is successfully send to recipient? Please advice. Thank you.

Oh I see. Sorry for posting big question here. I agree everyone is busy with work and no time to write long essay here. My colleauges and I face the problems above especially when the project growed bigger and became more complicated. Here are some articles I found in Internet about the...

My company develops a client-server application which runs 24 hours a day. This application is a window service and communicate with clients using TCP/IP socket. There are about 200 clients connect to this application concurrently. It is not stable yet and customer not satisfy with its...

The winform program is thirth party software. I am trying to remote control the program using a windows service. May I know is there any example of capturing external program textbox's text?

Hi all, I am trying to control an external winform program using my windows service application. Both winform program and windows service are installed in same pc. The winform program has a MDI child form. This child form has a textbox. Can my windows service capture the text inside this...

Verify file download correct and complete Hi all, My application uses TCP/IP socket to download file from server. How can I verify the downloaded file is complete and correct?

Hi all, I am new to network programming. My application downloads a file from server over a slow network using TCP/IP socket. The file size is about 500kb - 1mb. The network speed is 16-20kbps. The network connection is wireless and will disconnect sometimes. What my application must able to do...