用Python处理邮件，全文完．

CODE:

def showmessage(mail):
    if mail.is_multipart():
        for part in mail.get_payload():
            showmessage(part)
    else:
        type=mail.get_content_charset()
        if type==None:
            print mail.get_payload()
        else:
            try:
                print unicode(mail.get_payload('base64'),type)
            except UnicodeDecodeError:
                print mail

CODE:

>;>;>;mail.get('subject')
'Re: [python-chinese] =?UTF-8?B?wrnDmMOTw5p4bWzCscOgw4LDq8K1w4TDjg==?=\n\t=?UTF-8?B?w4rDjMOi?='
>;>;>;decode_header( mail.get('subject'))
[('Re: [python-chinese]', None), ('\xc2\xb9\xc3\x98\xc3\x93\xc3\x9axml\xc2\xb1\xc3\xa0\xc3\x82\xc3\xab\xc2\xb5\xc3\x84\xc3\x8e\xc3\x8a\xc3\x8c\xc3\xa2', 'utf-8')]
>;>;>;print decode_header( mail.get('subject'))[1][0]
鹿脴脫脷xml卤脿脗毛碌脛脦脢脤芒
>;>;>;print unicode(decode_header( mail.get('subject'))[1][0],'utf-8')
1?óúxml±à??μ??êìa

CODE:

body=email.MIMEText.MIMEText('这里是邮件内容',_subtype='plain',_charset='gb2312')

CODE:

to: asdf@tom.com
from: asdf@tom.com
subject: =?gb2312?b?1vfM4g==?=
Content-Type: multipart/mixed; boundary="===============0572491976=="
MIME-Version: 1.0

--===============0572491976==
Content-Type: text/plain; charset="gb2312"
MIME-Version: 1.0
Content-Transfer-Encoding: base64

1eLA78rHxNrI3Q==

--===============0572491976==
Content-Type: Application/octet-stream;name="myself.py"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: attachment;filename="myself.py"

ZnJvbSBlbWFpbC5NSU1FVGV4dCBpbXBvcnQgTUlNRVRleHQKZnJvbSBlbWFpbC5NSU1FTXVsdGlw
YXJ0IGltcG9ydCBNSU1FTXVsdGlwYXJ0CmZyb20gZW1haWwuSGVhZGVyIGltcG9ydCBIZWFkZXIK
ZnJvbSBlbWFpbC5IZWFkZXIgaW1wb3J0IGRlY29kZV9oZWFkZXIKZnJvbSB0eXBlcyBpbXBvcnQg
--===============0572491976==--

CODE:

from email.MIMEText import MIMEText
from email.MIMEMultipart import MIMEMultipart
from email.Header import Header
from email.Header import decode_header
from types import *
import smtplib,poplib,string,sys,os,email


helptext = """
Available commands:
i     - index display
l n?  - list all messages (or just message n)
d n?  - mark all messages for deletion (or just message n)
s n?  - save input num messages to a file (or just message n)
m     - compose and send a new mail message
q     - quit pymail
?     - display this help text
"""
#简单的菜单处理,无返回值，要求一个处理过的mail列表
def interact(processmail):
    #showindex(processmail)
    while 1:
        try:
            command=raw_input('[Pymail] Action? (i, l, d, s, m, q, ?) ')
        except EOFError:
            command='q'

        if command=='q' or not command:
            break

        elif command[0]=='i':
            showindex(processmail)

        elif command[0]=='l':
            if len(command)==1:
                for mail in processmail:
                    showmessage(mail)
                    print string.join(message)
            else:
                if 0<msgnum(command)<=len(processmail):
                    num=msgnum(command)
                    showsubject(processmail[num-1])
                    showmessage(processmail[num-1])
        elif command[0]=='s':
            if len(command)==1:
                print '请输入要保存的邮件号码'
                continue
            else:
                if 0<msgnum(command)<=len(processmail):
                    num=msgnum(command)
                    savemail(processmail[num-1])

        elif command[0]=='?':
            print helptext

        else:
            print 'What? -- type "?" for commands help'

＃保存email未完成           
def savemail(mail):
    filename=raw_input('Enter a file name:')
    file=open('filename','w')
    print >;>; file,showsubject(mail),showmessage(mail)
    print 'saving mail to %s ok.' %(filename)

#处理输入的数字   
def msgnum(command):
    try:
        return string.atoi(string.split(command)[1])
    except:
        return -1

#用于接收 邮件的相关处理，返回一个server实例   
def POPconnect():
    sname,user,passwd=popconfig()
    server=poplib.POP3(sname)
    server.user(user)
    server.pass_(passwd)
    print server.getwelcome()
    return server

#用于发送 邮件的相关处理，返回一个server实例
def SMTPconnect():
    server=smtplib.SMTP(sname)
    server.login(user,passwd)
    return server

#从服务器读取邮件到maillist.列表，位处理的原始字符串
def loadmail():
    server=POPconnect()
    try:
        print server.list()
        (mailCount,mailByte)=server.stat()
        print 'There are',mailCount,'mail messages in',mailByte,'bytes'
        print 'Retrieving:'
        mailList=[]
        for i in range(mailCount):
            print i+1,
            (hdr,message,octet)=server.retr(i+1)
            mailList.append(string.join(message,'\n'))
        print
        assert len(mailList)==mailCount
        return mailList

    finally:
        server.quit()

#处理loadmain返回的原始mail列表，返回处理过的processmail列表
def processmail(mailList):
    processmaillist=[]
    for i in range(len(mailList)):
        processmaillist.append(email.message_from_string(mailList[i]))
    return processmaillist

#显示邮件主题，要求一个处理过的mail做参数
def showsubject(mail):
    header=[]
    for head in decode_header(mail.get('subject')):
        if head[1]=='utf-8':
            header.append(unicode(head[0],'utf-8'))
        else:
            header.append(head[0])
            
    for sub in ('From','Date','Subject'):
        if sub=='Subject':
            print 'Subject:',
            for subject in header:
                try:
                    print subject,
                except UnicodeEncodeError:
                    print '注意:这个邮件标题无法正常显示...'
        else:
            print '%s:%s' %(sub,mail[sub])
    print      
        
#显示邮件内容，要求一个处理过的mail做参数
def showmessage(mail):
    if mail.is_multipart():
        for part in mail.get_payload():
            showmessage(part)
    else:
        type=mail.get_content_charset()
        if type==None:
            print mail.get_payload()
        else:
            try:
                print unicode(mail.get_payload(decode='base64'),type)
            except UnicodeDecodeError:
                print mail

#显示全部邮件主题要求整个处理过的邮件列表
def showindex(processmaillist):
    count=1
    for mail in processmaillist:
        print count,
        showsubject(mail)
        print
        if count%5==0:
            raw_input("\n[Press Enter key]")
        count+=1

#输入发送时需要的服务器名等相关信息，返回一个元组
def sendconfig():
    SMTPname=raw_input('SMTPserverName?')
    SMTPuser=raw_input('SMTPusername?')
    SMTPpass=raw_input('SMTPServerPassword?')
    To=raw_input('To?')
    From=raw_input('From?')
    return SMTPname,SMTPuser,SMTPpass,to,From

#输入接收邮件时需要的相关输入，返回一个元组
def popconfig():
   POPname=raw_input('POPServerName?')
   POPuser=raw_input('POPusername?')
   POPpass=raw_input('POPpassword?')
   return POPname,POPuser,POPpass

if __name__=='__main__':
    list=loadmail()
    maillist=processmail(list)
    interact(maillist)