Frequently asked questions
- How far in the future can I schedule a
- Currently, Time
Cave accepts messages to be sent as far away as December 31, 2040.
Allowing dates even further away might strain credibility: who knows if
you'll even be reading email then (versus using some direct-mind
wireless implant or having your self-driving car process your email for
We've operated since 2000, and we try to keep our
reach into the future roughly in line with how long we've
- How can I get messages to appear to come from my
own address instead of from Time Cave?
All messages you send to any address other than your own will
appear to come from your address, not from Time Cave's. Only messages you
send to yourself appear to come from Time Cave, and that's just to prevent
- How many users does Time Cave have?
Time Cave currently has around 35,000 users.
- Can I use Time Cave to store a copy of passwords
for sites that I want to prevent myself from using temporarily?
- We strongly advise against this and do
not support Time Cave's use for this purpose. For one thing, Time Cave
is not a backup service, and we make no promise that your data will be
retrievable. Time Cave has been extremely reliable at delivering
messages, but people who have tried to use Time Cave to store passwords
in the past have often neglected to notice that their emails from Time
Cave end up in their "spam" folders and then get deleted before they
have a chance to read them. Moreover, sending us your passwords likely
violates the other sites' security policies. We do not support the use
of Time Cave as a way for you to store passwords or other sensitive
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