Exactly. 
Believing that there were ships magically exploring the inbetween some 20 years out from the federations heart who could instantly receive new orders to change course, deviating on two decade old instructions to "go where no man has gone..."
By season 6 the Dominon were allies with the federation, that closest edge of Domion space would have been even closer to Voyagers whereabouts that the mouth of the wormhole, that "Odo" could have sent aid himself which might have arrived ever faster than the explorer ships.
"sigh"

Believing that there were ships magically exploring the inbetween some 20 years out from the federations heart who could instantly receive new orders to change course, deviating on two decade old instructions to "go where no man has gone..."
By season 6 the Dominon were allies with the federation, that closest edge of Domion space would have been even closer to Voyagers whereabouts that the mouth of the wormhole, that "Odo" could have sent aid himself which might have arrived ever faster than the explorer ships.
"sigh"