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-rw-r--r--Mailman/Defaults.py.in7
1 files changed, 5 insertions, 2 deletions
diff --git a/Mailman/Defaults.py.in b/Mailman/Defaults.py.in
index a10e2976..73bc8a47 100644
--- a/Mailman/Defaults.py.in
+++ b/Mailman/Defaults.py.in
@@ -663,8 +663,11 @@ VERP_CONFIRM_FORMAT = '%(addr)s+%(cookie)s'
# From: local_part@host
# into
# To: "local_part" <local_part@host>
-# when replying, so we skip everything up to '<' if any.
-VERP_CONFIRM_REGEXP = r'^(.*<)?(?P<addr>[^+]+?)\+(?P<cookie>[^@]+)@.*$'
+# or even
+# To: "local_part@host" <local_part@host>
+# and may even fold the header when replying, so we skip everything up to '<'
+# if any and include ($s) so dot will match the newline in a folded header.
+VERP_CONFIRM_REGEXP = r'(?s)^(.*<)?(?P<addr>.+)\+(?P<cookie>[^@+]+)@.*$'
# Set this to Yes to enable VERP-like (more user friendly) confirmations
VERP_CONFIRMATIONS = No