Please stop emailing me giffgaff

[#1]

Wow! I would contact an educator immediately, in the meantime I'd recommend adding a rule to your inbox to put all emails from @giffgaff.com in a separate folder so you can continue using your inbox as normal

[#2]

Go and contact an agent and change both your email and giffgaff passwords

[#3]

contact agent

[#4]

I think you should block giffgaff's email address for a few days as giffgaff is having problems at the moment. (not sure if it affected your email though)