diff --git a/Products/CMFPlone/PloneTool.py b/Products/CMFPlone/PloneTool.py
index 0c549327a2..983c0ea6a7 100644
--- a/Products/CMFPlone/PloneTool.py
+++ b/Products/CMFPlone/PloneTool.py
@@ -8,7 +8,6 @@
 from Acquisition import aq_parent
 from ComputedAttribute import ComputedAttribute
 from DateTime import DateTime
-from email.utils import getaddresses
 from OFS.ObjectManager import bad_id
 from OFS.SimpleItem import SimpleItem
 from plone.base.defaultpage import check_default_page_via_view
@@ -55,6 +54,7 @@
 from zope.interface import implementer
 from zope.lifecycleevent import ObjectModifiedEvent
 
+import email.utils
 import re
 import sys
 import transaction
@@ -95,6 +95,15 @@
 METADATA_DC_AUTHORFIELDS = ("Creator", "Contributors", "Publisher")
 
 
+# use old non-strict parsing behavior
+# see https://docs.python.org/3.11/whatsnew/3.11.html#email
+# and https://docs.python.org/3.12/whatsnew/3.12.html#id11
+def getaddresses(fieldvalues):
+    if getattr(email.utils, "supports_strict_parsing", False):
+        return email.utils.getaddresses(fieldvalues, strict=False)
+    return email.utils.getaddresses(fieldvalues)
+
+
 @implementer(IPloneTool)
 class PloneTool(PloneBaseTool, UniqueObject, SimpleItem):
     """Various utility methods."""
diff --git a/news/4020.bugfix b/news/4020.bugfix
new file mode 100644
index 0000000000..785a096111
--- /dev/null
+++ b/news/4020.bugfix
@@ -0,0 +1,3 @@
+Use "non-strict" parsing in `email.utils.getaddresses` newest versions.
+See https://docs.python.org/3.12/whatsnew/3.12.html#id11
+[petschki]