Re-confirmation mail of mobile phone

Hello as state above iv ordered mobile phone huawei p20 pro mit sonos play 25.06.2018 so far i got sim card and bill will come even i dont use it. Used it only once when i activated it. As confirmation mail was sent to spam i didnt see it or get it beacuse i dont read spam mail or i read it but rarely. Now the deadline for confirmation has passed. Can i reconfirm it. If not can you terminate my contract of sim card beacuse i dont want pay 30 euros for sim card.