From 57865495d48fcb09e73270f30d29c9fc92a7e963 Mon Sep 17 00:00:00 2001
From: Dimitri Huisman <diman@huisman.xyz>
Date: Thu, 4 Aug 2022 14:51:20 +0000
Subject: [PATCH] Forwarding emails option in user settings did not support 1
 letter domains.

---
 core/admin/mailu/ui/forms.py        | 2 +-
 towncrier/newsfragments/2402.bugfix | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 towncrier/newsfragments/2402.bugfix

diff --git a/core/admin/mailu/ui/forms.py b/core/admin/mailu/ui/forms.py
index 34436a29..683db7ae 100644
--- a/core/admin/mailu/ui/forms.py
+++ b/core/admin/mailu/ui/forms.py
@@ -37,7 +37,7 @@ class MultipleEmailAddressesVerify(object):
         self.message = message
 
     def __call__(self, form, field):
-        pattern = re.compile(r'^([_a-z0-9\-]+)(\.[_a-z0-9\-]+)*@([a-z0-9\-]{2,}\.)*([a-z]{2,})(,([_a-z0-9\-]+)(\.[_a-z0-9\-]+)*@([a-z0-9\-]{2,}\.)*([a-z]{2,}))*$')
+        pattern = re.compile(r'^([_a-z0-9\-]+)(\.[_a-z0-9\-]+)*@([a-z0-9\-]{1,}\.)*([a-z]{1,})(,([_a-z0-9\-]+)(\.[_a-z0-9\-]+)*@([a-z0-9\-]{1,}\.)*([a-z]{2,}))*$')
         if not pattern.match(field.data.replace(" ", "")):
             raise validators.ValidationError(self.message)
 
diff --git a/towncrier/newsfragments/2402.bugfix b/towncrier/newsfragments/2402.bugfix
new file mode 100644
index 00000000..04bd48ee
--- /dev/null
+++ b/towncrier/newsfragments/2402.bugfix
@@ -0,0 +1 @@
+Forwarding emails user setting did not support 1 letter domains.