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Python實(shí)現(xiàn)各種郵件發(fā)送

 更新時(shí)間:2022年05月13日 10:50:14   作者:wx5ad774e6965c3  
這篇文章主要介紹了Python實(shí)現(xiàn)各種郵件發(fā)送,Python內(nèi)置對SMTP的支持,可以發(fā)送純文本郵件、HTML郵件以及帶附件的郵件,下文詳細(xì)實(shí)現(xiàn)過程需要的小伙伴可以參考一下

前言:

Python內(nèi)置對SMTP的支持,可以發(fā)送純文本郵件、HTML郵件以及帶附件的郵件。

Python對SMTP支持有smtplib和email兩個(gè)模塊,email負(fù)責(zé)構(gòu)造郵件,smtplib負(fù)責(zé)發(fā)送郵件。

一、發(fā)送純文本內(nèi)容

代碼如下:

# 引入相應(yīng)的模塊
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.multipart import MIMEBase
from email import encoders
from email.utils import parseaddr, formataddr
class SendMail(object):
   def __init__(self):
       self.fromUser = "xxxxxx@qq.com" 
       self.userPasswd = "xxxxxx"      # 此處是qq郵箱授權(quán)碼, 不是登錄密碼
       self.smtpAddr = "smtp.qq.com"
   # 構(gòu)造郵件結(jié)構(gòu)
   # toAddrs 收件人可以是多個(gè),["xxx@qq.com","xxx@qq.com"], subject 郵件的主題, msg 郵件的內(nèi)容
   def mailStructure(self, toAddrs, subject, msg):
       # 郵件對象:
       mailMsg = MIMEMultipart()
       mailMsg['Subject'] = ("Hello <%s>" % subject)
       mailMsg['From'] = ("Python管理員 <%s>" % self.fromUser)
       mailMsg['To'] = ','.join(toAddrs)
       # 郵件正文是MIMEText :
       mailMsg.attach(MIMEText(msg, 'html', 'utf-8'))
       return mailMsg.as_string()

   # 發(fā)送郵件
   def sendMail(self, toAddrs, subject, msg):
       mailMsg_as_string = self.mailStructure(toAddrs, subject, msg)
       # 連接服務(wù)器發(fā)送郵件
       try:
           server = smtplib.SMTP_SSL(self.smtpAddr, 465)
           server.connect(self.smtpAddr)  # 連接smtp服務(wù)器
           server.login(self.fromUser, self.userPasswd)  # 登錄郵箱
           server.sendmail(self.fromUser, toAddrs, mailMsg_as_string)  # 發(fā)送郵件
           server.quit()
       except Exception:
           print("Error: unable to send email")
a = SendMail()
a.sendMail(["381347268@qq.com", "44934875@qq.com"], "測試主題", "測試內(nèi)容")

效果圖:

二、發(fā)送附件圖片

代碼如下:

如果Email中要加上附件怎么辦?帶附件的郵件可以看做包含若干部分的郵件:文本和各個(gè)附件本身,所以,可以構(gòu)造一個(gè)MIMEMultipart對象代表郵件本身,然后往里面加上一個(gè)MIMEText作為郵件正文,再繼續(xù)往里面加上表示附件的MIMEBase對象即可:

其實(shí)就是打開圖片并引入(加上這段內(nèi)容)

with open(r"C:\Users\YJ\Desktop\favicon.png", "rb") as f:
# 設(shè)置附件的MIME和文件名,這里是png類型:
mime = MIMEBase("image", "png", filename="test.png")
# 加上必要的頭信息:
mime.add_header('Content-Disposition', 'attachment', filename='test.png')
mime.add_header('Content-ID', '<0>')
mime.add_header('X-Attachment-Id', '0')
# 把附件的內(nèi)容讀進(jìn)來:
mime.set_payload(f.read())
# 用Base64編碼:
encoders.encode_base64(mime)
# 添加到MIMEMultipart:
mailMsg.attach(mime)

發(fā)送附件圖片 (完整代碼如下:)

# 引入相應(yīng)的模塊
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.multipart import MIMEBase
from email import encoders
from email.utils import parseaddr, formataddr
class SendMail(object):
def __init__(self):
self.fromUser = "xxxxxx@qq.com"
self.userPasswd = "xxxxxx" # 此處是qq郵箱授權(quán)碼, 不是登錄密碼
self.smtpAddr = "smtp.qq.com"

# 構(gòu)造郵件結(jié)構(gòu)
# toAddrs 收件人可以是多個(gè),["xxx@qq.com","xxx@qq.com"], subject 郵件的主題, msg 郵件的內(nèi)容
def mailStructure(self, toAddrs, subject, msg):
# 郵件對象:
mailMsg = MIMEMultipart()
mailMsg['Subject'] = ("Hello <%s>" % subject)
mailMsg['From'] = ("Python管理員 <%s>" % self.fromUser)
mailMsg['To'] = ','.join(toAddrs)
# 郵件正文是MIMEText :
mailMsg.attach(MIMEText(msg, 'html', 'utf-8'))

# 發(fā)送圖片附件, 需要用到附件對象MIMEBase對象, 需要引入from email.mime.multipart import MIMEBase
# 添加附件就是加上一個(gè)MIMEBase,從本地讀取一個(gè)圖片:
with open(r"C:\Users\YJ\Desktop\favicon.png", "rb") as f:
# 設(shè)置附件的MIME和文件名,這里是png類型:
mime = MIMEBase("image", "png", filename="test.png")
# 加上必要的頭信息:
mime.add_header('Content-Disposition', 'attachment', filename='test.png')
mime.add_header('Content-ID', '<0>')
mime.add_header('X-Attachment-Id', '0')
# 把附件的內(nèi)容讀進(jìn)來:
mime.set_payload(f.read())
# 用Base64編碼:
encoders.encode_base64(mime)
# 添加到MIMEMultipart:
mailMsg.attach(mime)
return mailMsg.as_string()
# 發(fā)送郵件
def sendMail(self, toAddrs, subject, msg):
mailMsg_as_string = self.mailStructure(toAddrs, subject, msg)
# 連接服務(wù)器發(fā)送郵件
try:
server = smtplib.SMTP_SSL(self.smtpAddr, 465)
server.connect(self.smtpAddr) # 連接smtp服務(wù)器
server.login(self.fromUser, self.userPasswd) # 登錄郵箱
server.sendmail(self.fromUser, toAddrs, mailMsg_as_string) # 發(fā)送郵件
server.quit()
except Exception:
print("Error: unable to send email")
a = SendMail()
a.sendMail(["381347268@qq.com", "44934875@qq.com"], "測試主題", "測試內(nèi)容")

效果圖:

如果要把一個(gè)圖片嵌入到郵件正文中怎么做?直接在HTML郵件中鏈接圖片地址行不行?答案是,大部分郵件服務(wù)商都會自動屏蔽帶有外鏈的圖片,因?yàn)椴恢肋@些鏈接是否指向惡意網(wǎng)站。

要把圖片嵌入到郵件正文中,我們只需按照發(fā)送附件的方式,先把郵件作為附件添加進(jìn)去,然后,在HTML中通過引用src="cid:0"就可以把附件作為圖片嵌入了。如果有多個(gè)圖片,給它們依次編號,然后引用不同的cid:x即可。

其實(shí)就是將MIMEText 格式改變一下:

mailMsg.attach(MIMEText('<html><body><h1>%s</h1>' % (msg) + '<p><img src="cid:0"></p>' + '</body></html>', 'html','utf-8'))

將附件圖片包含在郵件內(nèi)容中(完整代碼如下:)

# 引入相應(yīng)的模塊
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.multipart import MIMEBase
from email import encoders
from email.utils import parseaddr, formataddr
class SendMail(object):
def __init__(self):
self.fromUser = "xxxxxx@qq.com"
self.userPasswd = "xxxxxx" # 此處是qq郵箱授權(quán)碼, 不是登錄密碼
self.smtpAddr = "smtp.qq.com"

# 構(gòu)造郵件結(jié)構(gòu)
# toAddrs 收件人可以是多個(gè),["xxx@qq.com","xxx@qq.com"], subject 郵件的主題, msg 郵件的內(nèi)容
def mailStructure(self, toAddrs, subject, msg):
# 郵件對象:
mailMsg = MIMEMultipart()
mailMsg['Subject'] = ("Hello <%s>" % subject)
mailMsg['From'] = ("Python管理員 <%s>" % self.fromUser)
mailMsg['To'] = ','.join(toAddrs)
# 郵件正文是MIMEText :
# 加載圖片并引入到郵件內(nèi)容中來
mailMsg.attach(MIMEText('<html><body><h1>%s</h1>' % (msg) + '<p><img src="cid:0"></p>' + '</body></html>', 'html','utf-8'))
# 發(fā)送圖片附件, 需要用到附件對象MIMEBase對象, 需要引入from email.mime.multipart import MIMEBase
# 添加附件就是加上一個(gè)MIMEBase,從本地讀取一個(gè)圖片:
with open(r"C:\Users\YJ\Desktop\favicon.png", "rb") as f:
# 設(shè)置附件的MIME和文件名,這里是png類型:
mime = MIMEBase("image", "png", filename="test.png")
# 加上必要的頭信息:
mime.add_header('Content-Disposition', 'attachment', filename='test.png')
mime.add_header('Content-ID', '<0>')
mime.add_header('X-Attachment-Id', '0')
# 把附件的內(nèi)容讀進(jìn)來:
mime.set_payload(f.read())
# 用Base64編碼:
encoders.encode_base64(mime)
# 添加到MIMEMultipart:
mailMsg.attach(mime)
return mailMsg.as_string()

# 發(fā)送郵件
def sendMail(self, toAddrs, subject, msg):
mailMsg_as_string = self.mailStructure(toAddrs, subject, msg)
# 連接服務(wù)器發(fā)送郵件
try:
server = smtplib.SMTP_SSL(self.smtpAddr, 465)
server.connect(self.smtpAddr) # 連接smtp服務(wù)器
server.login(self.fromUser, self.userPasswd) # 登錄郵箱
server.sendmail(self.fromUser, toAddrs, mailMsg_as_string) # 發(fā)送郵件
server.quit()
except Exception:
print("Error: unable to send email")
a = SendMail()
a.sendMail(["381347268@qq.com", "44934875@qq.com"], "測試主題", "測試內(nèi)容")

效果圖:

三、發(fā)送純文本附件

代碼如下:

# 引入相應(yīng)的模塊
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.multipart import MIMEBase
from email import encoders
from email.utils import parseaddr, formataddr
class SendMail(object):
def __init__(self):
self.fromUser = "xxxxxx@qq.com"
self.userPasswd = "xxxxxx" # 此處是qq郵箱授權(quán)碼, 不是登錄密碼
self.smtpAddr = "smtp.qq.com"
# 構(gòu)造郵件結(jié)構(gòu)
# toAddrs 收件人可以是多個(gè),["xxx@qq.com","xxx@qq.com"], subject 郵件的主題, msg 郵件的內(nèi)容
def mailStructure(self, toAddrs, subject, msg):
# 郵件對象:
mailMsg = MIMEMultipart()
mailMsg['Subject'] = ("Hello <%s>" % subject)
mailMsg['From'] = ("Python管理員 <%s>" % self.fromUser)
mailMsg['To'] = ','.join(toAddrs)
# 郵件正文是MIMEText :
mailMsg.attach(MIMEText(msg, 'html', 'utf-8'))
# 發(fā)送文件附件, 需要用到附件對象MIMEBase對象, 需要引入from email.mime.multipart import MIMEBase
# 添加附件就是加上一個(gè)MIMEBase,從本地讀取一個(gè)文件:
with open(r"C:\Users\YJ\Desktop\aaa.txt", "rb") as f:
# 設(shè)置附件的MIME和文件名,這里是png類型:
mime = MIMEBase("txta", "txt", filename="test.txt")
# 加上必要的頭信息:
mime.add_header('Content-Disposition', 'attachment', filename='test.txt')
mime.add_header('Content-ID', '<0>')
mime.add_header('X-Attachment-Id', '0')
# 把附件的內(nèi)容讀進(jìn)來:
mime.set_payload(f.read())
# 用Base64編碼:
encoders.encode_base64(mime)
# 添加到MIMEMultipart:
mailMsg.attach(mime)
return mailMsg.as_string()
# 發(fā)送郵件
def sendMail(self, toAddrs, subject, msg):
mailMsg_as_string = self.mailStructure(toAddrs, subject, msg)
# 連接服務(wù)器發(fā)送郵件
try:
server = smtplib.SMTP_SSL(self.smtpAddr, 465)
server.connect(self.smtpAddr) # 連接smtp服務(wù)器
server.login(self.fromUser, self.userPasswd) # 登錄郵箱
server.sendmail(self.fromUser, toAddrs, mailMsg_as_string) # 發(fā)送郵件
server.quit()
except Exception:
print("Error: unable to send email")
a = SendMail()
a.sendMail(["381347268@qq.com", "44934875@qq.com"], "測試主題", "測試內(nèi)容")

效果圖:

四、發(fā)送excel表格附件

代碼如下:

#! /usr/bin/env python
# _*_ coding: utf-8 _*_
import smtplib, time
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
class EmailSender(object):
def __init__(self):
self.sender_user = 'ryb.monitor@yottacloud.cn' #發(fā)件人郵箱地址
self.sender_password = 'xxxxxxxxxx' #發(fā)件人郵箱密碼
self.smtp_server_addr = 'smtp.exmail.qq.com' #smtp服務(wù)器地址
self.smtp_server_port = 465 #smtp服務(wù)器端口
def main_email(self, text, xlsx_path, xlsx_name):
'''
郵件主題,包含郵件正文 + excel 附件
Args:
text:郵件正文內(nèi)容
xlsx_path: excel文件路徑
xlsx_name: excel文件,例如a.xlsx
Returns: 返回要發(fā)送的數(shù)據(jù),正文和附件
'''
msg =MIMEMultipart()
#添加純文本,郵件文本內(nèi)容,字符串格式
text_msg = MIMEText(text, 'html', 'utf-8')
msg.attach(text_msg)
#將xlsx文件作為內(nèi)容發(fā)送到對方的郵箱讀取excel,rb形式讀取,對于MIMEText()來說默認(rèn)的編碼形式是base64 對于二進(jìn)制文件來說沒有設(shè)置base64,會出現(xiàn)亂碼
excel_msg = MIMEText(open(xlsx_path, 'rb').read(), 'base64', 'utf-8')
#設(shè)置文件再附件當(dāng)中的名字
excel_msg.add_header('Content-Disposition', 'attachment', filename=('gbk', '', xlsx_name))
#添加到郵件內(nèi)容msg中
msg.attach(excel_msg)
return msg
def login_email(self):
server = smtplib.SMTP_SSL(self.smtp_server_addr, self.smtp_server_port) #連接smtp服務(wù)器
server.connect(self.smtp_server_addr) #連接smtp服務(wù)器
result = server.login(self.sender_user, self.sender_password) #登陸郵箱
print("登陸結(jié)果: ", result)
return server
def send_email(self, title, to_receiver, msg):
'''
發(fā)送郵件
Args:
title: 郵件的主題
to_receiver: 收件人郵箱地址,可以是列表
msg: main_email函數(shù)返回的郵件主體
Returns:
'''
server = self.login_email()
msg['Subject'] = title
msg['From'] = self.sender_user
msg['To'] = ','.join(to_receiver)
msg['Accept-Language']='zh-CN'
msg['Accept-Charset']='ISO-8859-1,utf-8'
server.sendmail(self.sender_user, to_receiver, msg.as_string()) #發(fā)送郵件
sed_mail = EmailSender()
text = time.strftime('%Y-%m-%d') + "數(shù)據(jù)統(tǒng)計(jì)"
msg = sed_mail.main_email(text, r'小程序日報(bào)V2.0(試行版).xlsx', '小程序日報(bào).xlsx')
sed_mail.send_email(title='數(shù)據(jù)統(tǒng)計(jì)', to_receiver=['yanjie.li@yottacloud.cn', '381347268@qq.com'], msg=ms

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