Do you have a problem with your order, a commercial issue? Our sales team is happy to help. Contact us at firstname.lastname@example.org. Related articles What methods of payment can be used at Universign? Can the Universign service authenticate the identity of the signatory/ies? I bought 100 timestamps: how long do I have to use them? Am I free to choose my signature mode? I am not able to use Universign and I cannot find any more information in the online help. What should I do?