Ruby从指定邮箱读取邮件（IMAP/POP3）

Posted 2020-10-11 Liz-

• Documents:
• Net::IMAP
• Net::POP3
• 目标：
• 从收件箱中提取邮件信息
• Code
  

   1 require ‘net/imap‘
   2 require ‘net/pop‘
   3 require ‘mail‘
   4 require ‘nokogiri‘
   5 
   6 server=‘imap.xxx.com‘ 
   7 user=‘[email protected]‘
   8 password=‘password‘
   9 
  10 imap = Net::IMAP.new(server,{:port=>993,:ssl=>true}) # 需要根据邮件服务器的具体信息进行设置
  11 # imap = Net::IMAP.new(server,{:port=>143,:ssl=>false})
  12 imap.login(user,password)
  13 
  14 imap.select("inbox")
  15 imap.search(["NEW"]).each do |id|  # 获取符合条件的邮件id集合
  16     # 邮件标题
  17     envelope = imap.fetch(msg_id, "ENVELOPE")[0].attr["ENVELOPE"]
  18     from =  Mail::Encodings.value_decode(envelope.from[0].name) # 转换为中文字符
  19     subject = Mail::Encodings.value_decode(envelope.subject) 
  20     puts "#{from}: \t#{subject}"
  21 
  22     # 邮件正文
  23     body = imap.fetch(msg_id, "BODY[TEXT]")[0].attr["BODY[TEXT]"]
  24     doc = Nokogiri::html.parse(body, nil, "UTF-8")  # 如果获取的邮件为HTML格式，可以使用nokogiri对其进行处理
  25     ele = doc.xpath("//label//path").inner_text
  26 end 
  27 
  28 imap.logout
  29 imap.disconnect
  30 
  31 
  32 
  33 server=‘pop3.xxx.com‘ # 只要支持imap和pop3都可以使用
  34 user=‘[email protected]‘
  35 password=‘password‘
  36 
  37 pop = Net::POP3.new server
  38 pop.start user, password
  39 
  40 mails = pop.mails.reverse
  41 mail = mails.first # 获取最新一封未读邮件
  42 subject = mail.header.split("\r\n")
  43 body = mail.pop 
  44 doc = Nokogiri::HTML.parse(body, nil, "UTF-8") 
  45 ele = doc.xpath("//label//path").inner_text
  46 
  47 pop.finish