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-rw-r--r--lib/PublicInbox/WwwAtomStream.pm6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/PublicInbox/WwwAtomStream.pm b/lib/PublicInbox/WwwAtomStream.pm
index 361e61f6..f60251b7 100644
--- a/lib/PublicInbox/WwwAtomStream.pm
+++ b/lib/PublicInbox/WwwAtomStream.pm
@@ -100,7 +100,11 @@ sub atom_header {
         } else {
                 $title = title_tag($ibx->description);
                 $self_url .= 'new.atom';
-                $page_id = "mailto:$ibx->{-primary_address}";
+                if (defined(my $addr = $ibx->{-primary_address})) {
+                        $page_id = "mailto:$addr";
+                } else {
+                        $page_id = to_uuid($self_url);
+                }
         }
         qq(<?xml version="1.0" encoding="us-ascii"?>\n) .
         qq(<feed\nxmlns="http://www.w3.org/2005/Atom"\n) .