Hi can somebody tell me how to import all of my contacts from gmail, yahoo, hotmail and so on.. and i want to send an invitation for all my contacts?
How can i achieve this?
CMS
Check the .NET Address Book API's of those providers:
来源：https://stackoverflow.com/questions/1085498/import-address-book-from-gmail-hotmail-yahoo-using-c-sharp-and-asp-net