python 邮件报警

import smtplib
from smtplib import SMTP_SSL
from email.mime.text import MIMEText
from email.header import Header
fo = open("/mail/tomcatrizhi/rizhi.txt", "r",encoding='utf-8')         #打开一个文件只读
msg = ''' '''                        #将文件内容存入到msg里
while True:
    line = fo.readline()
    msg += line.strip()+'\n'
    if not line:
        break
fo.close()

mail_host = "smtp.exmail.qq.com"                    #邮箱服务
mail_user = "[email protected]"             #发件人
mail_pass = "Wk1790844"                             #发件人邮箱服务密码
receivers = "[email protected]"               #收件人   
message = MIMEText(msg.encode('utf-8'), 'plain', 'utf-8')            #调用msg变量为邮件内容发邮件
subject = u'tomcatWARN以上报警日志'                                       #标题
message['Subject'] = Header(subject, 'utf-8')
try:
        smtpObj = SMTP_SSL(mail_host)
        smtpObj.login(mail_user,mail_pass)
        smtpObj.sendmail(mail_user,  receivers, message.as_string())
        print ("邮件发送成功")
except smtplib.SMTPException:
        print ("Error: 无法发送邮件")
fo.close()

import smtplib
from smtplib import SMTP_SSL
from email.mime.text import MIMEText
from email.header import Header
fo = open("/mail/tomcatrizhi/rizhi.txt", "r",encoding='utf-8')
msg = ''' '''
while True:
    line = fo.readline()
    msg += line.strip()+'\n'
    if not line:
        break
fo.close()

mail_host = "smtp.exmail.qq.com"
mail_user = "[email protected]"
mail_pass = "Wk1790844"
receivers = "[email protected]"
message = MIMEText(msg.encode('utf-8'), 'plain', 'utf-8')
subject = u'tomcatWARN以上报警日志'
message['Subject'] = Header(subject, 'utf-8')
try:
        smtpObj = SMTP_SSL(mail_host)
        smtpObj.login(mail_user,mail_pass)
        smtpObj.sendmail(mail_user,  receivers, message.as_string())
        print ("邮件发送成功")
except smtplib.SMTPException:
        print ("Error: 无法发送邮件")
fo.close()