我經常收到e封電郵,e封野點解?
Hi. This is the qmail-send program at yahoo.com.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
:
Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)
--- Below this line is a copy of the message.