@DVBFREAK
good idea - if you can tell me any usefull Oscam configuration that makes sure, the "3rd and 4th line" (2nd dual login account) is used as soon as line 1 and two (first dual login account) is already in use (I name Oscam because I believe this would only be possible with Oscam and for sure not using Mgcamd)
thats the problem: by default, if a reader is available, Oscam would use the 1st account - for all requested codewords/ECMs to process.
that combination works fine with dual login option, as the server allows two simultaneous connection but not 3 or 4 of them *g*
best option I would see is two dual login accounts and spare the available SIDs to one of the dual login accounts. But this might also end up in rule violation if you access 3 or 4 channels dedicate to the same reader/cs-connection *g*
to make it short: as long as the server does not allow 3 or 4 simultaneous connections it will always end in the possibility to violate the server rules and get banned. Or you limit yourself and have yourself an eye on the situation what you are watching simultaneously to avoid penalties or interruption of service.