参考资料

https://towardsdatascience.com/download-email-attachment-from-microsoft-exchange-web-services-automatically-9e20770f90ea

https://www.moh10ly.com/retrieving-attachments-from-exchange-mailbox-using-python/

https://stackoverflow.com/questions/43491673/read-emails-and-download-attachment-from-microsoft-exchange-server/45438174#45438174

https://blog.csdn.net/diyiday/article/details/81504363

exchangelib手册 https://ecederstrand.github.io/exchangelib/

代码

1

from exchangelib import DELEGATE, IMPERSONATION, Account, Credentials, EWSDateTime, EWSTimeZone, Configuration, NTLM, GSSAPI, CalendarItem, Message, Mailbox, Attendee, Q, ExtendedProperty, FileAttachment, ItemAttachment, HTMLBody, Build, Version, FolderCollectioncredentials = Credentials(username='moh10ly\info', password='Bc12345$')ews_url = 'https://mail.moh10ly.com/EWS/exchange.asmx'
ews_auth_type = 'NTLM'
primary_smtp_address = 'info@moh10ly.com'
config = Configuration(service_endpoint=ews_url, credentials=credentials, auth_type=ews_auth_type)account = Account(
primary_smtp_address=primary_smtp_address,
config=config, autodiscover=False,
access_type=DELEGATE)import os.path
from exchangelib import Account, FileAttachment, ItemAttachment, Messagesome_folder = account.inbox
for item in some_folder.all():
for attachment in item.attachments:
if isinstance(attachment, FileAttachment):
local_path = os.path.join('/temp', attachment.name)
with open(local_path, 'wb') as f:
f.write(attachment.content)#To download all attachments in the inbox:for item in account.inbox.all():
for attachment in item.attachments:
if isinstance(attachment, FileAttachment):
local_path = os.path.join('/sky', attachment.name)
with open(local_path, 'wb') as f, attachment.fp as fp:
buffer = fp.read(1024)
while buffer:
f.write(buffer)
buffer = fp.read(1024)
print('Saved attachment to', local_path)

2

from exchangelib import ServiceAccount, Configuration, Account, DELEGATE
import osfrom config import cfgcredentials = ServiceAccount(username=cfg['imap_user'],
password=cfg['imap_password'])config = Configuration(server=cfg['imap_server'], credentials=credentials)
account = Account(primary_smtp_address=cfg['smtp_address'], config=config,
autodiscover=False, access_type=DELEGATE)unread = account.inbox.filter() # returns all mails
for msg in unread:
print(msg)
print("attachments ={}".format(msg.attachments))
print("conversation_id ={}".format(msg.conversation_id))
print("last_modified_time={}".format(msg.last_modified_time))
print("datetime_sent ={}".format(msg.datetime_sent))
print("sender ={}".format(msg.sender))
print("text_body={}".format(msg.text_body.encode('UTF-8')))
print("#" * 80)
for attachment in msg.attachments:
fpath = os.path.join(cfg['download_folder'], attachment.name)
with open(fpath, 'wb') as f:
f.write(attachment.content)

考虑时间

The following code logins to the FTP server (ftp.login()), navigate the target folder (ftp.cwd()) and list all files (ftp.nlst()) that matched the specified prefix (file.startswith())from ftplib import FTP
ftp_server_ip = FTP_SERVER_IP
username = 'username'
password = 'password'
remote_path = 'remote_path'
local_path = 'local_path'
with FTP(ftp_server_ip) as ftp:
ftp.login(user=username, passwd=password)
ftp.cwd(remote_path + '/copied data')
filelist = [file for file in ftp.nlst() if file.startswith('YOUR_FILE_PREFIX')]
After downloading the attachments locally, I upload the files to the FTP server. I use storbinary to send STOR command to upload the attachments.if attachment.name not in filelist:
# Check if the attachment downloaded before
local_path = os.path.join(local_path, attachment.name)
with open(local_path, 'wb') as f:
f.write(attachment.content)
with FTP(ftp_server_ip) as ftp:
ftp.login(user=username, passwd=password)
ftp.cwd(remote_path)
file = open(local_path, 'rb')
ftp.storbinary('STOR {}'.format(attachment.name), file)
file.close()

3

# this is a script that connects to Exchange to grab mail attachments
# written by MC 30.01.2017 during my time with Nokia - dub2sauce[at]gmail[dot]com
# make sure you have @on.nokia.com domain, otherwise it won't workuser='someone@somewhere.com'
password='topsecret'
SaveLocation = 'C:/Users/admin/Downloads/dist/exchangelib-1.7.6/test/' # where you want the file(s) saved
SubjectSearch = 'FIR'; # it will search all emails containing this stringfrom exchangelib.configuration import Configuration
from exchangelib import DELEGATE, IMPERSONATION, Account, Credentials, EWSDateTime, EWSTimeZone, Configuration, NTLM, CalendarItem, Q
from exchangelib.folders import Folder
import logging,os.pathconfig = Configuration(
server='x.x.x.x',
credentials = Credentials(
username=user,
password=password),
verify_ssl=False
)account = Account(
primary_smtp_address='mailbox@company.com',
autodiscover=False,
config=config,
access_type=DELEGATE)for item in account.inbox.all():
if SubjectSearch in item.subject:
for attachment in item.attachments:
local_path = os.path.join(SaveLocation, attachment.name)
with open(local_path, 'wb') as f:
f.write(attachment.content)
print('Saved attachment to', local_path)

4

#-*- encoding: utf-8 -*-
import sys
import locale
import poplib
from email import parser
import email
import string# 确定运行环境的encoding
__g_codeset = sys.getdefaultencoding()
if "ascii"==__g_codeset:
__g_codeset = locale.getdefaultlocale()[1]
#def object2double(obj):
if(obj==None or obj==""):
return 0
else:
return float(obj)
#end if
#def utf8_to_mbs(s):
return s.decode("utf-8").encode(__g_codeset)
#def mbs_to_utf8(s):
return s.decode(__g_codeset).encode("utf-8")
#host = 'pop.exmail.qq.com'
username = 'user1@xxxx.cn'
password = 'password'pop_conn = poplib.POP3_SSL(host)
pop_conn.user(username)
pop_conn.pass_(password)#Get messages from server:
# 获得邮件
messages = [pop_conn.retr(i) for i in range(1, len(pop_conn.list()[1]) + 1)]
#print messages#print "--------------------------------------------------"
# Concat message pieces:
messages = ["\n".join(mssg[1]) for mssg in messages]
#print messages#Parse message intom an email object:
# 分析
messages = [parser.Parser().parsestr(mssg) for mssg in messages]
i = 0
for index in range(0,len(messages)):
message = messages[index];
i = i + 1;
subject = message.get('subject')
h = email.Header.Header(subject)
dh = email.Header.decode_header(h)
subject = unicode(dh[0][0], dh[0][1]).encode('utf8')
mailName = "mail%d.%s" % (i, subject)
f = open('%d.log'%(i), 'w');
print >> f, "Date: ", message["Date"]
print >> f, "From: ", email.utils.parseaddr(message.get('from'))[1]
print >> f, "To: ", email.utils.parseaddr(message.get('to'))[1]
print >> f, "Subject: ", subject
print >> f, "Data: "
j = 0
for part in message.walk():
j = j + 1
fileName = part.get_filename()
contentType = part.get_content_type()
mycode=part.get_content_charset();
# 保存附件
if fileName:
data = part.get_payload(decode=True)
h = email.Header.Header(fileName)
dh = email.Header.decode_header(h)
fname = dh[0][0]
encodeStr = dh[0][1]
if encodeStr != None:
fname = fname.decode(encodeStr, mycode)
#end if
fEx = open("%s"%(fname), 'wb')
fEx.write(data)
fEx.close()
elif contentType == 'text/plain':# or contentType == 'text/html':
#保存正文
data = part.get_payload(decode=True)
content=str(data);
if mycode=='gb2312':
content= mbs_to_utf8(content)
#end if
nPos = content.find('降息')
print("nPos is %d"%(nPos))
print >> f, data
#end if
#end for
f.close()
#end for
pop_conn.quit()

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资料仓库——Python Download Exchange E-mail Attachment

Python Download Exchange E-mail Attachment

参考资料

代码

1

2

考虑时间

3

4

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