From: Stefano Crocco <stefano.crocco@...>
Date: 2006-11-11T06:40:44+09:00
Subject: Re: undefined method `mails' for #<Net::POPMail 1> (NoMethod

There's a mistake in your code. conn.mails return an array of the mails 
on the server, i.e an array of Net::POPMail objects. The mails method, 
instead, is a method of class Net::POP3. To make your code work, simply 
substitute the pop parameter of the block with msg and remove the first 
line of the block:

conn.mails.each do |msg|

  # Print the 'From:' header line
  puts msg.header.split("\r\n").grep(/^From: /)

  # Put message to $stdout (by calling <<)
  puts "\nFull message:\n"
  msg.all($stdout)
end

You can also use the each (or each_mail) methods of Net::POPMail, which 
also iterate on the mails:

conn.each_mail do |msg|

  # Print the 'From:' header line
  puts msg.header.split("\r\n").grep(/^From: /)

  # Put message to $stdout (by calling <<)
  puts "\nFull message:\n"
  msg.all($stdout)
end

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