On May 31, 1:46 am, Jmlover <Jmlo...@[...].com>  wrote:
>      @pop = Net::POP3.new('pop.163.com')
>      @pop.start(@username, @password)
> 
>      @pop.each_mail do |m|
>                # How can I get the subject of mï¼?
>          # ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??ã??
>          # By m.pop?
>      end
> 
>      @pop.finish
> 
>  By the way, can I only get the mail header? How?
> 
>  Thank you!

Here is one way.

puts m.pop.scan(/Subject:(.+)$/)

Cheers,

Craig