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Comment on Show HN: UnSend.it, modify emails after its sent / read by the recipient

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No way I'm going to believe this unless you explain me how it works.

Yes, we are doing it via images which are hosted on our server securely encrypted.

We offer 3 different sending modes: - tracking only -> the email can't be modified after sending but you get a notification when the recipient opens the mail - attachments only -> you can not modify the emails content but you can modify / remove attachments - full unsend -> you can modify / remove contents of the emails after its been sent / opened + same for attachments

Even this is flawed as gmail caches images so any subsequent edits would not be displayed!

we worked around that and it works quite well

How did you work around that? As far as I know mailchimp aren't able to so if you know how, you might have a product in itself!

I really hope it's more than just "your text is now hosted images instead!".

I'm having difficulty imagining any other way to do it.

Although the site also says it can also remove your attachments, so maybe the "email" itself is entirely hosted by unsend.it, which sends a link (probably a token) to the recipient on behalf of your account?

Ha, that would be something! "Dear Colleague, Please click this link to read something I just wrote in an email, so you can read it on a webpage (maybe, if I still feel like it)"

...and please enjoy this complementary tracking gif and bouquet of advertisements.

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