Fix replace, add

ckan · Sep 26, 2017 · b936fa5 · b936fa5
1 parent a75e2a1
commit b936fa5
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/ckan/lib/mailer.py b/ckan/lib/mailer.py
@@ -33,7 +33,10 @@ def _mail_recipient(recipient_name, recipient_email,
     mail_from = config.get('smtp.mail_from')
     msg = MIMEText(body.encode('utf-8'), 'plain', 'utf-8')
     for k, v in headers.items():
-        msg[k] = v
+        if k in msg.keys():
+            msg.replace_header(k, v)
+        else:
+            msg.add_header(k, v)
     subject = Header(subject.encode('utf-8'), 'utf-8')
     msg['Subject'] = subject
     msg['From'] = _("%s <%s>") % (sender_name, mail_from)