学校推荐信的申请要求是:Letters written on official letterhead should be attached to the departmental form to provide additional information.  hotocopies and e-mail letters are not accepted. Letters should be sealed. 不能photocopy 那难道都要推荐人手写吗?很麻烦别人啊,能不能自己写了推荐人签个字?或者打印出来,不过打印的会不会有official letterhead呢?