Subject: undelivered mail returned to sender
this is the postfix program at host privia 2 . privianet . com .
i ' m sorry to have to inform you that the message returned
below could not be delivered to one or more destinations .
for further assistance , please send mail to
if you do so , please include this problem report . you can
delete your own text from the message returned below .
the postfix program
: host mx 2 . privianet . com [ 217 . 71 . 121 . 37 ] said :
553 sorry , that domain isn ' t allowed to be relayed thru this mta ( # 5 . 7 . 1 )