邮件相关

import poplib
from email.parser import Parser
from email.header import Header
from email.header import decode_header

username = "xxxx"
password = "xxxxx"

pop3_server = "pophz.qiye.163.com"
server = poplib.POP3_SSL(pop3_server, 995, timeout=10)
server.user(username)
server.pass_(password)

resp, mails, octets = server.list()
index = len(mails)
for i in range(index, 0, -1):
    now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
    try:
        resp, lines, octets = server.retr(i)
        print(now, "邮件读取成功，索引号：", i)
    except:
        now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        print(now, "邮件读取失败，索引号：", i)
        continue
    msg_content = b'\n'.join(lines).decode('utf-8')
    msg = Parser().parsestr(msg_content)
    date = datetime.datetime.strptime(msg.get('Date')[:24], '%a, %d %b %Y %H:%M:%S')
    
    # 邮件中的时间是UTC的，需要转换到东八区
    date = date + datetime.timedelta(hours=8)
    date = datetime.datetime.strftime(date, '%Y%m%d')
    
    # 控制下载的时间间隔，是20230609这样的格式
    if date < start_date:
        break
    if date > end_date:
        continue
    
    # 获得特定主题的邮件
    subject_check = "特定主题"
    decode_subject = decode_header(msg["Subject"])
    subject = decode_subject[0][0].decode(decode_subject[0][1])
    if not subject_check in subject:
        continue
        
    # 下载符合以上条件的附件
    for part in msg.walk():
        file_name = part.get_filename()
        if file_name:
            h = Header(file_name)
            dh = decode_header(h)
            filename = dh[0][0]
            if dh[0][1]:
                filename = decode_str(str(filename, dh[0][1]))
            downfileNum += 1
            data = part.get_payload(decode=True)
            if not os.path.isdir(save_path):
                os.mkdir(save_path)
            att_file = open(save_path + os.sep + filename, "wb")
            att_file.write(data)
            att_file.close()
server.quit()

import imaplib
from email import message_from_bytes
from email.header import decode_header
import datetime

username = "xxxx"
password = "xxxxxxxx"

server = imaplib.IMAP4_SSL(host="imaphz.qiye.163.com", port=993)
server.login(username, password)


# 选择邮箱
server.select("INBOX")
today = datetime.date.today()
yesterday = today - datetime.timedelta(days=1)

# 搜索条件：当天及前一天
# search_criteria = f'(SINCE "{today.strftime("%d-%b-%Y")}")'
search_criteria = f'(SINCE "{yesterday.strftime("%d-%b-%Y")}")'
status, data = server.search(None, search_criteria)


if status == 'OK':
    # 邮件ID列表
    email_ids = data[0].split()
    if email_ids:
        for email_id in email_ids:
            email_id_dc = email_id.decode("utf-8")
            now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
            print(now, "成功获取邮件索引：", email_id_dc)
            
            # 遍历每封邮件
            _, email_data = server.fetch(email_id, '(RFC822)')
            email_body = email_data[0][1]
            msg = message_from_bytes(email_body)

            # 邮件主题
            decode_subject = decode_header(msg["Subject"])
            try:
                subject = decode_subject[0][0].decode(decode_subject[0][1])
            except:
                subject = decode_subject[0][0].decode("utf-8")
            
# 关闭与邮件服务器的连接
server.logout()

import smtplib
from email.mime.text import MIMEText
from email.header import Header

username = "xxxx"
password = "xxxxx"

server = smtplib.SMTP_SSL(host="smtphz.qiye.163.com", port=465)
server.login(username, password)

receivers_list = ["收件人邮箱"]
cc_list = ["抄送邮箱"]

sender = username
send_list = receivers_list + cc_list
subject = "主题"

message = MIMEText(msg, "plain", "utf-8")
message['From'] = Header("自动提醒", 'utf-8')
message['to'] =  ",".join(receivers_list)
message['Cc'] = ",".join(cc_list)
message['Subject'] = Header(subject, 'utf-8')

server.sendmail(sender, send_list, message.as_string())
server.quit()