UPDATE: it seems that after a few ours the EAS connections table is updated with the correct number of connections, BUT they show up after a while (several hours) and not immediately as espected.
Gabriele Maoret - Head of SysAdmins at SERSIS
Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)