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To collect form data on a server, type the location in the Enter a URL for this link box. For example, http://www.[domain]/[folder]/[subfolder]/ for an Internet address or \\[server]\[folder]\[subfolder]\ for a location on a local network.
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To collect form data as attachments to email, type mailto: followed by the email address. For example, mailto:nobody@adobe.com.
Please look at the complete steps provided in the help page https://helpx.adobe.com/in/acrobat/using/setting-action-buttons-pdf-forms.html#add_a_submit_button and see if that works for you.
Keep us posted how it goes
Regards
Amal