指定邮件编码
msg = MIMEText(content,'html', 'utf-8')
msg.add_header("Content-Type",'text/plain; charset="utf-8"')


#!/usr/bin/env python
#coding:utf-8
import smtplib
from email.mime.text import MIMEText
import sys

mail_host = 'smtp.qq.com'
mail_user = '2219722370'
mail_pass = 'tyztnlzandbbeahj'
mail_postfix = 'qq.com'

def send_mail(to_list,subject,content):
    me = mail_user + "<" + mail_user + "@" + mail_postfix + ">"
    msg = MIMEText(content)
    msg['Subject'] = subject
    msg['From'] = me
    msg['To'] = ",".join(to_list)

    try:
        s = smtplib.SMTP()  #创建SMTP对象
        s.connect(mail_host,"25") #通过connect方法连接smtp主机
        s.starttls()    #启用TLS（安全传输）模式，所有SMTP指令都将加密传输，例如使用gmail的smtp服务时需要启动此项才能正常发送邮件
        s.login(mail_user,mail_pass)
        s.sendmail(me,to_list,msg.as_string())
        s.quit()    #断开smtp连接
        print "邮件发送成功!"
        return True
    except Exception as e:
        print "失败:" + str(e)
        return False

if __name__ == "__main__":
    #send_mail(sys.argv[1], sys.argv[2], sys.argv[3])
    to_list = ["[email protected]", "[email protected]"]
    send_mail(to_list,"title","msg")

#附件
#!/usr/bin/env python
#coding:utf-8
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import sys

mail_host = 'smtp.qq.com'
mail_user = '2219722370'
mail_pass = 'tyztnlzandbbeahj'
mail_postfix = 'qq.com'

def send_mail(to_list,subject,content):
    me = mail_user + "<" + mail_user + "@" + mail_postfix + ">"
    msg = MIMEMultipart('related')
    msgtext = MIMEText(content)
    msg['Subject'] = subject
    msg['From'] = me
    msg['To'] = to_list
    attach = MIMEText(open("/etc/passwd","rb").read(),"base64","utf-8")  #附件
    attach["Content-Disposition"] = 
    "attachment; filename=\"业务服务质量周报(12周).xlsx\"".decode("utf-8").encode("gb18030") #附件名
    msg.attach(msgtext)    #MIMEMultipart对象附加MIMEText的内容，邮件内容
    msg.attach(attach)

    try:
        s = smtplib.SMTP()  #创建SMTP对象
        s.connect(mail_host,"25") #通过connect方法连接smtp主机
        s.starttls()    #启用TLS（安全传输）模式，所有SMTP指令都将加密传输，例如使用gmail的smtp服务时需要启动此项才能正常发送邮件
        s.login(mail_user,mail_pass)
        s.sendmail(me,to_list,msg.as_string())
        s.quit()    #断开smtp连接
        print "邮件发送成功!"
        return True
    except Exception as e:
        print "失败:" + str(e)
        return False

if __name__ == "__main__":
    #send_mail(sys.argv[1], sys.argv[2], sys.argv[3])
    send_mail("[email protected]","subject","msg")