How to set MIME type of application/vnd.apple.pkpass in order to share pass by link or email

I just created an app and a pass, so I can add the pass to the PassBook in iPod, but I cannot share the pass by email or link from web server. From the documentation I read from Apple, I need to add a MIME type as application/vnd.apple.pkpass. However, I don't understand clearly what steps should I do. I don't know how to use MIME type.

How should I add this MIME type in order to use pass from my web service?

Apache

Add the following line to either:

• the .htaccess in the directory serving your .pkpass, or
• to the mime.types file, or
• to your appache httpd.conf or virtuatl server .conf file

Then restart Apache (not required if adding to .htaccess)

AddType application/vnd.apple.pkpass    pkpass

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nginx

Add the following line to your mime.types file and restart nginx

application/vnd.apple.pkpass    pkpass;

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IIS

1. Open IIS Manager and navigate to the level you want to manage.
2. In Features View, double-click MIME Types.
3. In the Actions pane, click Add.
4. In the Add MIME Type .pkpass
5. Type application.vnd.pkpass n the MIME text box
6. Click OK
7. Restart IIS

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If you are serving your file via a script and are not able to edit your web server config you could add the following line before any content is sent:

PHP

header('Content-Type: application/vnd.apple.pkpass');

C#

WebClient client = new WebClient();
client.Headers.Add("Content-Type", "application/vnd.apple.pkpass");