# How do they know my email address?

**URL:** <https://boards.straightdope.com/t/how-do-they-know-my-email-address/834571>\
**Category:** Factual Questions\
**Created:** [May 26, 2019, 9:12pm UTC](https://boards.straightdope.com/t/how-do-they-know-my-email-address/834571 "2019-05-26T21:12:19Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![control-z](https://avatars.discourse-cdn.com/v4/letter/c/eada6e/32.png) [@control-z](https://boards.straightdope.com/u/control-z)\
**Post date:** [May 29, 2019, 3:34pm UTC](https://boards.straightdope.com/t/how-do-they-know-my-email-address/834571/23 "2019-05-29T15:34:21Z")

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> [@puzzlegal](#):
>
> Is the issue that you want to change your email address in Square?

That was an issue, I was going to one particular merchant and we couldn’t figure out why the checkout form didn’t ask for my email and yet I wasn’t getting receipts. Turns out my email was out of date on _my_ Square merchant account.

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**Author:** ![Omar\_Little](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/omar_little/32/269_2.png) [@Omar\_Little](https://boards.straightdope.com/u/Omar_Little)\
**Post date:** [May 29, 2019, 3:45pm UTC](https://boards.straightdope.com/t/how-do-they-know-my-email-address/834571/24 "2019-05-29T15:45:47Z")

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Old man shakes fist at clouds…and shows his age because he doesn’t understand how all this new tech stuff works.

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