diff --git a/docs/configuration.md b/docs/configuration.md
index 1a565177e..cabe15c00 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -631,6 +631,12 @@ If both the [PAPERLESS_ACCOUNT_DEFAULT_GROUPS](#PAPERLESS_ACCOUNT_DEFAULT_GROUPS
 
     If you do not have a working email server set up you should set this to 'none'.
 
+#### [`PAPERLESS_ACCOUNT_EMAIL_UNKNOWN_ACCOUNTS=<bool>`](#PAPERLESS_ACCOUNT_EMAIL_UNKNOWN_ACCOUNTS) {#PAPERLESS_ACCOUNT_EMAIL_UNKNOWN_ACCOUNTS}
+
+: See the relevant [django-allauth documentation](https://docs.allauth.org/en/latest/account/configuration.html)
+
+    Defaults to True (from allauth)
+
 #### [`PAPERLESS_DISABLE_REGULAR_LOGIN=<bool>`](#PAPERLESS_DISABLE_REGULAR_LOGIN) {#PAPERLESS_DISABLE_REGULAR_LOGIN}
 
 : Disables the regular frontend username / password login, i.e. once you have setup SSO. Note that this setting does not disable the Django admin login nor logging in with local credentials via the API. To prevent access to the Django admin, consider blocking `/admin/` in your [web server or reverse proxy configuration](https://github.com/paperless-ngx/paperless-ngx/wiki/Using-a-Reverse-Proxy-with-Paperless-ngx).
diff --git a/src/paperless/settings.py b/src/paperless/settings.py
index a4b27ae28..df32181d7 100644
--- a/src/paperless/settings.py
+++ b/src/paperless/settings.py
@@ -507,6 +507,11 @@ ACCOUNT_EMAIL_VERIFICATION = os.getenv(
     "optional",
 )
 
+ACCOUNT_EMAIL_UNKNOWN_ACCOUNTS = __get_boolean(
+    "PAPERLESS_ACCOUNT_EMAIL_UNKNOWN_ACCOUNTS",
+    "True",
+)
+
 ACCOUNT_SESSION_REMEMBER = __get_boolean("PAPERLESS_ACCOUNT_SESSION_REMEMBER", "True")
 SESSION_EXPIRE_AT_BROWSER_CLOSE = not ACCOUNT_SESSION_REMEMBER
 SESSION_COOKIE_AGE = int(