SE0X and 7S0X on LoTW
Most contest logs for SE0X and 7S0X have been uploaded to LoTW, Logbook of The World. Using LoTW is the preferred way to confirm a contact with SE0X and 7S0X. Paper QSL will be responded to but with the focus on direct requests.
The best way to confirm your QSO with SE0X and 7S0X is by LoTW.