# 使用非唯一邮箱地址的SSO？

**URL:** <https://meta.discourse.org/t/sso-with-non-unique-email-addresses/68125>\
**Category:** Product Support\
**Created:** [2017 年8 月 16 日 01:14 UTC](https://meta.discourse.org/t/sso-with-non-unique-email-addresses/68125 "2017-08-16T01:14:30Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

作者： ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
发布日期： [2017 年8 月 16 日 03:05 UTC](https://meta.discourse.org/t/sso-with-non-unique-email-addresses/68125/5 "2017-08-16T03:05:10Z")

</div>

It’s often useful to have multiple accounts, and using +addressing lets you do that without creating multiple email  
Addresses.

[User+whatever@gmail.com](mailto:User+whatever@gmail.com) will get delivered to [user@gmail.com](mailto:user@gmail.com). User@gmail.com1 won’t let them create an account.

Oh, but SSO was the point of this thread, so it’s not clear that my solution will help here. They’d still need to make every email address unique, one way or another.

---

_[View the full topic](https://meta.discourse.org/t/sso-with-non-unique-email-addresses/68125)._