23 Feb
2009
23 Feb
'09
2:01 p.m.
It is using the 'mail' command to send mail, but so is the other Ubuntu box and it sends just fine.
Have you tried using 'mail' on the non-working box to send a message yourself? It would seem that there may be a misconfiguration on your 'mail' command.
Just a thought.
Regards,
Carl