Check the domain: this is corporate PR blogspam. Alcazar blog post recommending Alcazar to be the best.<p>Find everyone who upvoted this early and you can probably identify an HN upvoting ring.
This feels like an AI-generated list of products with no actual hands-on time to let me get a feel if any of the services actually work vs their feature list. Revising the language/structure to not reek of AI would make me think more care had gone into it, and thus be more trustworthy.
It's also Alcatrazsec, a company we had never heard of, listing its own product as the best of the list, whilst naming it as if it wasn't their own product.
Telegram has a feature where it will delete your whole account after 3 or 6 months of inactivity. That's how my friends can now. :)
Did not get you properly? If you mean automating or scheduling email for a future date/time and auto-responding incomming emails, Gmail already have these features
smart contract time capsule in the blockchain