Hello. to the best of my knowledge, an SSL certificate is issued to a specific domain with a fixed IP address, so you would have to have your client complete the transaction at the site that has the certificate.
Hello. to the best of my knowledge, an SSL certificate is issued to a specific domain with a fixed IP address, so you would have to have your client complete the transaction at the site that has the certificate.
Oops, I meant to add:
Would it be possible to set up subdomains at the SSL site? Customers could be redirected to the appropriate subdomain and Zen Cart install from the your other sites if they wanted to shop.