I'm out on holiday outside the country at the moment and don't have access to my company laptop. I contacted HR to resign and was told my resignation has to be put through a designated company portal. I can't access this 'portal' as it resides inside the company Intranet. It is physically impossible for me to resign the 'right' way since I don't have my company laptop.
Can I resign by emailing my resignation to the general HR contact, and CC my direct line manager? Will I be in breach of contract because the firm may say I actually never resigned because I didn't follow the procedure?