Validation on PositiveSSL MDC


We have a PositiveSSL multi-domain certificate with one of your resellers and every time we add a new domain to this certificate, all the current domains also need to validate this certificate via e-mail again. This is quite annoying for our customers. Is there a way around this so that only new domains need to confirm the validation? If not, we need to start looking for an alternate solution.

Thank you in advance for the answer.