On our Alpha, mailq hangs indefinitely. Can anybody suggest a cause, based on the debug output? # mailq -d version zmailer 1.0 Vertices: 5368898056: 106096 1; 88 5368898568: 106097 1; 90 #[exit status 1] (retry in 10m58s, expires in 22h53m52s) Channels: ph: >5368898568 local: >5368898056 Hosts: -: >5368898056>5368898568