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There was at least one site that did this I remember.

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up vote 2 down vote accepted
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The only one that still works is I don't see an option for watch-only at – ike Nov 20 '14 at 22:13
Only is still up among these, and I could add a watch-only address but I never got the notification email for an incoming transaction on that address. – a3nm Oct 21 '15 at 0:17 will send you email notifications on any transactions to/from a bitcoin address.

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As of October 2015, the only services that still seem to offer email notifications (for free) for transactions on an address (for which they don't need the private key) appear to be:

  • with the option to add a wallet as watch-only. It doesn't seem 100% reliable (it missed a few transactions initially), but now it seems to work and gives a notification pretty much instantly.

  • with which I had a temporary problem with validating the confirmation email, but seems to work otherwise. Notification emails arrive a bit later (maybe they wait for the transaction to be confirmed or something like that?).

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Yes, blockonomics waits for two confirmations on blockchain before sending out email Source: – dark knight Oct 26 '15 at 13:17

  • Easy setup.
  • Sends crafted notifications.
  • Watch-only address monitoring service. Works without the private key.
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You can add that address to, as watch-only if you prefer, and enable email notifications.

(didn't try that myself with watch-only addresses, so this might fail)

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  • unlimited notifications
  • very quick response time
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Try . I use it get email notifications and check balance, sends a nice formatted email

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Registration on the site is broken, email verification fails with a Python traceback. – a3nm Oct 21 '15 at 0:18
I was able to register and still using the site. Try clearing your browser cache before signup. If this doesn't work mail to – dark knight Oct 22 '15 at 5:07
trying again worked, thanks! – a3nm Oct 25 '15 at 11:03

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