What is the service sales archives have?

Experts, prompt service, sales , user (customer) must pay for the goods and after payment automatically to the archive file by email (a link or an email with a link) what about the sale to do on the machine and not to send and check everyone who has paid , who is not
June 3rd 19 at 19:15
1 answer
June 3rd 19 at 19:17

and smicov was

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