この英文を和訳してもらえますか？
下の英文はメールを送ったときに返事としてきた物ですが、訳が分からないので教えていただけますか？
This Message was undeliverable due to the following reason:
Your message was not delivered because the destination computer refused
to accept it (the error message is reproduced below). This type of error
is usually due to a mis-configured account or mail delivery system on the
destination computer; however, it could be caused by your message since
some mail systems refuse messages with invalid header information, or if
they are too large.
Your message was rejected by mfsmax.docomo.ne.jp for the following reason:
