Subject: undelivered mail returned to sender
this is the postfix program at host dns . berrybros . net .
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 mail . berrybros . net [ 63 . 231 . 182 . 59 ]
said : 550 user @ f - t - i . com not found .