451 <victor@astro.gla.ac.uk>... reply: read error from jupiter.astro.gla.ac.uk.
550 <Staff@MSJ.Bolton.ac.uk>... Host unknown (Name server: msj.bolton.ac.uk: host not found)
550 <bs@hayes.kent.sch.uk>... Host unknown (Name server: hayes.kent.sch.uk: host not found)
550 <hslgpdst@demon.co.uk>... User unknown
550 <iediffy@exeter.ac.uk>... User unknown
550 <keith@oxfleac.demon.co.uk>... User unknown
550 sppupil@aol.com is not a known user
<C.R.Kitchin@herts.ac.uk>... Deferred: Connection timed out during initial connection with sun2.nsfnet-relay.ac.uk.
aygmscl@aol.com