Python发送email的三种方式，分别为使用登录邮件服务器、使用smtp服务、调用sendmail命令来发送三种方法
Python发送email比较简单，可以通过登录邮件服务来发送，linux下也可以使用调用sendmail命令来发送，还可以使用本地或者是远程的smtp服务来发送邮件，不管是单个，群发，还是抄送都比较容易实现。本米扑博客先介绍几个最简单的发送邮件方式记录下，像html邮件，附件等也是支持的，需要时查文档即可。
一、登录邮件服务器
通过smtp登录第三方smtp邮箱发送邮件，支持 25 和 465端口
vim python_email_1.py
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
#
# author: mimvp.com
# 2015.10.05
import smtplib
from email.mime.text import MIMEText
smtpHost = 'smtp.exmail.qq.com'
sender = 'robot@mimvp.com'
password = "mimvp-password"
receiver = 'yanggang@mimvp.com'
content = 'hello mimvp.com'
msg = MIMEText(content)
msg['Subject'] = 'email-subject'
msg['From'] = sender
msg['To'] = receiver
## smtp port 25
smtpServer = smtplib.SMTP(smtpHost, 25) # SMTP
smtpServer.login(sender, password)
smtpServer.sendmail(sender, receiver, msg.as_string())
smtpServer.quit()
print 'send success by port 25'
## smtp ssl port 465
smtpServer = smtplib.SMTP_SSL(smtpHost, 465) # SMTP_SSL
smtpServer.login(sender, password)
smtpServer.sendmail(sender, receiver, msg.as_string())
smtpServer.quit()
print 'send success by port 465'
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执行命令：
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$ python python_email_1.py
send success by port 25
send success by port 465
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发送结果，会收到两封邮件，截图其中一份邮件如下图：
二、使用smtp服务
测试失败，略过或留言指正
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
#
# author: mimvp.com
# 2015.10.05
import smtplib
from email.mime.text import MIMEText
import subprocess
smtpHost = 'smtp.exmail.qq.com'
sender = 'robot@mimvp.com'
password = "mimvp-password"
receiver = 'yanggang@mimvp.com'
content = 'hello mimvp.com'
msg = MIMEText(content)
if __name__ == "__main__":
p = subprocess.Popen(['/usr/sbin/sendmail', '-t'], stdout=subprocess.PIPE)
print(str(p.communicate()))
p_res = str(p.communicate()[0])
msg = MIMEText(p_res)
msg["From"] = sender
msg["To"] = receiver
msg["Subject"] = "hello mimvp.com"
s = smtplib.SMTP(smtpHost)
s.login(sender, password)
s.sendmail(sender, receiver, msg.as_string())
s.quit()
print 'send success'
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三、调用sendmail命令
调用本机linux自身sendmail服务发送邮件，不需要启动sendmail后台进程，不需要发送者登录，邮件发送者可以是任意名字，没有限制。
特别注意：sendmail 命令发送邮件，默认用25端口号，由于阿里云、腾讯云等封禁了25端口号，因此本示例需在开通25端口机器上测试
vim python_email_3.py
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
#
# author: mimvp.com
# 2015.10.05
from email.mime.text import MIMEText
from subprocess import Popen, PIPE
import commands
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
def send_mail(sender, recevier, subject, html_content):
msg = MIMEText(html_content, 'html', 'utf-8')
msg["From"] = sender
msg["To"] = recevier
msg["Subject"] = subject
p = Popen(["/usr/sbin/sendmail", "-t"], stdin=PIPE)
p.communicate(msg.as_string())
sender = 'robot@mimvp.com'
recevier = 'yanggang@mimvp.com'
subject = 'sendmail-subject'
html_content = 'hello mimvp.com'
send_mail(sender, recevier, subject, html_content)
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执行命令：
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python python_email_3.py
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收件结果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://segmentfault.com/a/1190000016721254