Two of these already exist: > Allow adding delay. 'Im on holiday, don't deliver any mail for me this week, I don't want someone breaking into my house to steal

Two of these already exist: > Allow adding delay. 'Im on holiday, don't deliver any mail for me this week, I don't want someone breaking into my house to steal it'. "Royal Mail Keepsafe" - https://www.royalmail.com/receiving/keepsafe https://www.royalmail.com/receiving/keepsafe > Super express services "Royal Mail Sameday" - https://www.royalmail.com/sending/uk/sameday https://www.royalmail.com/sending/uk/sameday