You can send faxes by e-mail from your computer

你可以通过计算机用电子邮件发传真信件。

Can you send it to me by fax?

你能用传真把它发给我吗？

send faxes by e-mail

用电子邮件发传真信件

I faxed them the list of hotels. / I faxed the list of hotels to them.

我把旅馆名单传真给了他们。