Subject: undelivered mail returned to sender
this is the postfix email server .
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 contact the postmaster at the recipient domain .
if you do so , please include this problem report . you can
delete your own text from the message returned below .
the postfix program
: the recipient ' s mailbox is full or would exceed
quota