send_email.py

send_email.py

#!/usr/bin/python
# -*- coding:utf-8 -*-

"""
brief 发送邮件,不依赖第三方库. py2
"""
import socket
import smtplib
import mimetypes
import email

FROM_ADDR = ""  # 输入你自定义的
SMTP_SERVER = ""  # 输入你自定义的
SMTP_PORT = 465  # 输入你自定义的
SMTP_USER = FROM_ADDR  # 输入你自定义的
SMTP_PASSWD = ""  # 输入你自定义的密码
USE_SSL = 0

Config = {
    'email': {
        'from_addr': FROM_ADDR,
        'smtp_server': SMTP_SERVER,
        'smtp_port': SMTP_PORT,
        'smtp_user': SMTP_USER,
        'smtp_passwd': SMTP_PASSWD,
        'use_ssl': USE_SSL,
    }
}


def unicode2str(string, encoding='utf-8'):
    if isinstance(string, unicode):
        return string.encode(encoding, 'replace')
    return str(string)


def send_mail(to_list, subject, text, att=None):
    """
    @brief 发邮件的函数
    @param text 邮件的正文
    @param to_list 邮件接收对象
    @param subject 邮件主题
    @param att 附件，非必须
    """
    to_list = to_list[:]
    att = att or []
    subject = unicode2str(subject)
    text = unicode2str(text)

    # date_hostname = " [%s]" % (socket.gethostname().replace('.fwmrm.net', ''))
    # subject += date_hostname
    cfg = Config['email']
    # 邮件设置发送方，接收方，主题，日期
    msg = email.MIMEMultipart.MIMEMultipart('related')
    msg.add_header('From', cfg['from_addr'])
    msg.add_header('To', email.Utils.COMMASPACE.join(to_list))
    msg.add_header('Date', email.Utils.formatdate(localtime=True))
    msg.add_header('Subject', subject)

    msg.attach(email.MIMEText.MIMEText("<pre>%s</pre>" % text, 'html'))
    # begin att
    for (filename, bytes) in att:
        ctype, encoding = mimetypes.guess_type(filename)
        if ctype is None or encoding is not None:
            ctype = 'application/octet-stream'
        maintype, subtype = ctype.split('/', 1)
        mbase = email.MIMEBase.MIMEBase(maintype, subtype)
        mbase.set_payload(bytes)
        email.Encoders.encode_base64(mbase)
        mbase.add_header('Content-disposition', 'attachment', filename=filename)
        msg.attach(mbase)
    server = smtplib.SMTP()
    server.connect(cfg['smtp_server'])
    if cfg['smtp_user']:
        server.login(cfg['smtp_user'], cfg['smtp_passwd'])
    server.sendmail(cfg['from_addr'], to_list, msg.as_string())
    server.quit()