python实现邮箱发送信息

首先，我们需要准备好一个可用的邮箱账号，这里以Gmail为例。然后，我们需要使用Python的smtplib库来进行邮件的发送。

以下是实现邮件发送的完整步骤：

1. 导入必要的库

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.image import MIMEImage

2. 配置邮箱账号信息

username = "[e-mail]"
password = "your_email_password"
smtp_server = "smtp.gmail.com"
smtp_port = 587

3. 创建邮件模板

msg = MIMEMultipart()
msg['From'] = username
msg['To'] = '[e-mail]'
msg['Subject'] = '邮件标题'

body = "邮件正文"
msg.attach(MIMEText(body, 'plain'))

# 添加附件
with open('attachment.txt', 'rb') as f:
    attachment = MIMEText(f.read())
    attachment.add_header('Content-Disposition', 'attachment', filename='attachment.txt')
    msg.attach(attachment)

# 添加图片
with open('image.png', 'rb') as f:
    image = MIMEImage(f.read())
    image.add_header('Content-ID', '<image1>')
    msg.attach(image)

4. 发送邮件

server = smtplib.SMTP(smtp_server, smtp_port)
server.starttls()
server.login(username, password)
server.sendmail(username, msg['To'], msg.as_string())
server.quit()

以上就是实现邮件发送的完整步骤。

以下是两条示例说明：

示例1：发送文本邮件

import smtplib
from email.mime.text import MIMEText

username = "[e-mail]"
password = "your_email_password"
smtp_server = "smtp.gmail.com"
smtp_port = 587

msg = MIMEText('邮件正文', 'plain')
msg['Subject'] = '邮件标题'
msg['From'] = username
msg['To'] = '[e-mail]'

server = smtplib.SMTP(smtp_server, smtp_port)
server.starttls()
server.login(username, password)
server.sendmail(username, msg['To'], msg.as_string())
server.quit()

示例2：发送带附件和图片的邮件

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.image import MIMEImage

username = "[e-mail]"
password = "your_email_password"
smtp_server = "smtp.gmail.com"
smtp_port = 587

msg = MIMEMultipart()
msg['From'] = username
msg['To'] = '[e-mail]'
msg['Subject'] = '邮件标题'

body = "邮件正文"
msg.attach(MIMEText(body, 'plain'))

# 添加附件
with open('attachment.txt', 'rb') as f:
    attachment = MIMEText(f.read())
    attachment.add_header('Content-Disposition', 'attachment', filename='attachment.txt')
    msg.attach(attachment)

# 添加图片
with open('image.png', 'rb') as f:
    image = MIMEImage(f.read())
    image.add_header('Content-ID', '<image1>')
    msg.attach(image)

server = smtplib.SMTP(smtp_server, smtp_port)
server.starttls()
server.login(username, password)
server.sendmail(username, msg['To'], msg.as_string())
server.quit()