Make it 60-72 hours and your death will still be fresh enough for it to be relevant, but plenty of time to figure out how to work around whatever calamity might prevent still-alive you from stopping it. It’s even enough time that if your death makes the news it’ll have been seen by most relevant journalists and newsrooms already so they’ll have more context for the strange email they find
On that subject makes me wonder if insurance.aes has been cracked yet