# 电子邮件地址中+之后的文本在唯一性检查中被忽略

**URL:** <https://meta.discourse.org/t/text-after-in-an-email-address-being-disregarded-in-uniqueness-check/358891>\
**Category:** Support\
**Tags:** email, signup\
**Created:** [2025年三月26日 08:49 UTC](https://meta.discourse.org/t/text-after-in-an-email-address-being-disregarded-in-uniqueness-check/358891 "2025-03-26T08:49:27Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Richie](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/richie/32/115110_2.png) [@Richie](https://meta.discourse.org/u/Richie)\
**Post date:** [2025年三月26日 08:56 UTC](https://meta.discourse.org/t/text-after-in-an-email-address-being-disregarded-in-uniqueness-check/358891/2 "2025-03-26T08:56:32Z")

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这可能与我们在 Discourse 中使用 `normalize_emails` 设置的状态时，在电子邮件地址中使用加号（+）而遇到的 HTTP/500 错误有关：

> [@Users getting Internal Server Error when trying to change email address](https://meta.discourse.org/t/users-getting-internal-server-error-when-trying-to-change-email-address/350416):
>
> Discourse 3.4.0.beta4-dev ([5bc7371192](https://github.com/discourse/discourse/commits/5bc73711927005513a151d9d4a42c27d42404055)). Users are unable to change their email address to a previously used email address. Steps to replicate: Change your account email address to something with a + sign in it, eg. your+name@example.com (The plus sign may be the significant key here, or it may be a red herring) Follow the email prompts to confirm the change Change your email address back to what it was previously, eg. yourname@example.com Follow the email prompts to confirm the cha…

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_[View the full topic](https://meta.discourse.org/t/text-after-in-an-email-address-being-disregarded-in-uniqueness-check/358891)._