+sub mbox_all {
+ my ($ctx, $query) = @_;
+
+ eval { require PublicInbox::MboxGz };
+ return need_gzip($ctx) if $@;
+ return mbox_all_ids($ctx) if $query eq '';
+ my $qopts = $ctx->{qopts} = { mset => 2 };
+ my $srch = $ctx->{srch} = $ctx->{-inbox}->search or
+ return PublicInbox::WWW::need($ctx, 'Search');;
+ my $mset = $ctx->{mset} = $srch->query($query, $qopts);
+ $qopts->{offset} = $mset->size or
+ return [404, [qw(Content-Type text/plain)],
+ ["No results found\n"]];
+ $ctx->{iter} = 0;
+ $ctx->{query} = $query;
+ PublicInbox::MboxGz->response($ctx, \&results_cb, 'results-'.$query);