[Mailman-Users] weird smpt failure

[Tuomas Rissanen]

My lists post log shows with every attempted mail failures for all address'
with the list, this problem comes up with every list..

my stmp-failure log show this line with ever email:
Jul 11 18:15:10 2007 (9766) delivery to xxx at xxx.com failed with code -1:
(-2, 'Name or service not known')
or
Jul 11 18:15:10 2007 (9766) delivery to xxx at xxx.com failed with code -1:
please run connect() first

any ideas anyone?
-- 
Tuomas R