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forgejo-docs/admin/incoming-email.md
Caesar Schinas 9af05bfb01
refactor: use astro content collections for docs
Reviewed-on: https://codeberg.org/forgejo/website/pulls/323

# Conflicts:
#	v1.19/admin/command-line.md
#	v1.19/admin/config-cheat-sheet.md
#	v1.19/admin/database-preparation.md
#	v1.19/admin/email-setup.md
#	v1.19/admin/incoming-email.md
#	v1.19/admin/index.md
#	v1.19/admin/logging-documentation.md
#	v1.19/admin/reverse-proxy.md
#	v1.19/admin/seek-assistance.md
#	v1.19/admin/upgrade.md
#	v1.19/developer/code-forgejo-org.md
#	v1.19/developer/index.md
#	v1.19/index.md
#	v1.19/license.md
#	v1.19/user/agit-support.md
#	v1.19/user/api-usage.md
#	v1.19/user/authentication.md
#	v1.19/user/email-settings.md
#	v1.19/user/first-repository.md
#	v1.19/user/index.md
#	v1.19/user/issue-pull-request-templates.md
#	v1.19/user/issue-tracking-basics.md
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#	v1.19/user/linked-references.md
#	v1.19/user/merge-message-templates.md
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#	v1.19/user/wiki.md
#	v1.20/user/semver.md
2023-08-13 17:07:06 +01:00

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---
title: 'Incoming Email'
license: 'Apache-2.0'
origin_url: 'https://github.com/go-gitea/gitea/blob/faa28b5a44912f1c63afddab9396bae9e6fe061c/docs/content/doc/usage/incoming-email.en-us.md'
---
Forgejo supports the execution of several actions through incoming mails. This page describes how to set this up.
## Requirements
Handling incoming email messages requires an IMAP-enabled email account.
The recommended strategy is to use [email sub-addressing](https://en.wikipedia.org/wiki/Email_address#Sub-addressing) but a catch-all mailbox does work too.
The receiving email address contains a user/action specific token which tells Forgejo which action should be performed.
This token is expected in the `To` and `Delivered-To` header fields.
Forgejo tries to detect automatic responses to skip and the email server should be configured to reduce the incoming noise too (spam, newsletter).
## Configuration
To activate the handling of incoming email messages you have to configure the `email.incoming` section in the configuration file.
The `REPLY_TO_ADDRESS` contains the address an email client will respond to.
This address needs to contain the `%{token}` placeholder which will be replaced with a token describing the user/action.
This placeholder must only appear once in the address and must be in the user part of the address (before the `@`).
An example using email sub-addressing may look like this: `incoming+%{token}@example.com`
If a catch-all mailbox is used, the placeholder may be used anywhere in the user part of the address: `incoming+%{token}@example.com`, `incoming_%{token}@example.com`, `%{token}@example.com`
## Security
Be careful when choosing the domain used for receiving incoming email.
It's recommended receiving incoming email on a subdomain, such as `incoming.example.com` to prevent potential security problems with other services running on `example.com`.