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# Email
## Custom logo
The logo in the header of some emails can be customized, see the [logo customization section ](../../../customization/branded_page_and_email_header.md ).
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## Custom hostname for private commit emails
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/22560) in GitLab 11.5.
This configuration option sets the email hostname for [private commit emails ](../../profile/index.md#private-commit-email ),
and it's, by default, set to `users.noreply.YOUR_CONFIGURED_HOSTNAME` .
In order to change this option:
1. Go to **Admin area > Settings** (`/admin/application_settings`).
1. Under the **Email** section, change the **Custom hostname (for private commit emails)** field.
1. Hit **Save** for the changes to take effect.
NOTE: **Note** : Once the hostname gets configured, every private commit email using the previous hostname, will not get
recognized by GitLab. This can directly conflict with certain [Push rules ](https://docs.gitlab.com/ee/push_rules/push_rules.html ) such as
`Check whether author is a GitLab user` and `Check whether committer is the current authenticated user` .
