--- a/hgext/patchbomb.py
+++ b/hgext/patchbomb.py
@@ -288,6 +288,7 @@ def patchbomb(ui, repo, *revs, **opts):
fp.close()
else:
ui.status('Sending ', m['Subject'], ' ...\n')
+ m.__delitem__('bcc')
mail.sendmail(sender, to + bcc + cc, m.as_string(0))
cmdtable = {