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I am looking for a method to send messages to facebook accounts from windows application (e.g. windows service). Of course, all users will grant needed access to my facebook application, but only once - by logging in via facebook on some my web page

First of all, I just tried to send email to {username}@facebook.com But my email was redirected to email of user (has been set when user registered)

Then, I tried to send POST message to {user_id}/notifications (corresponding to this link ). But I received OAuthException: (#200) Only web canvas apps can send app notifications

Then, I tried to send POST message to {user-id}/feed (corresponding to this link). But I received OAuthException (#200) Feed story publishing to other users is disabled for this application As I understood from forums, this opportunity was deprecated at 2013 (e.g. Click here )

When I tried to send a message to {user-id}/apprequests then I received an exception

"Game Requests are only available to games".

I changed category of my App to Games and now I am receiving new error

"Failed to create any app request"

Please prompt me - Is there any way to send any messages to different facebook users from my windows application?

P.S. I develop on C#, but I will be thankful for PHP examples as well

Glorfindel
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oleg kalenchuk
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  • Hi and welcome to SO! Please read [this](http://stackoverflow.com/help/how-to-ask) post for how to ask better questions, which will help people give you better answers. In particular, post some code that you've tried. – Steve Heim May 04 '16 at 04:29
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    It is not possible to send messages to Facebook users. Ask for their email and email them – WizKid May 04 '16 at 04:51

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