此代码以典型的纯文本格式以及html multipart / alternative格式发送消息。如果您的通讯员在支持html的邮件阅读器中阅读此邮件，则他会看到HTML表。如果他阅读纯文本阅读器，则将看到纯文本版本。
无论哪种情况，他都会看到消息正文中包含的数据，而不是附件。
import csv
from tabulate import tabulate
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import smtplib
me = 'xxx@gmail.com'
password = 'yyyzzz!!2'
server = 'smtp.gmail.com:587'
you = 'qqq@gmail.com'
text = """
Hello, Friend.
Here is your data:
{table}
Regards,
Me"""
html = """
<html><body><p>Hello, Friend.</p>
<p>Here is your data:</p>
{table}
<p>Regards,</p>
<p>Me</p>
</body></html>
"""
with open('input.csv') as input_file:
reader = csv.reader(input_file)
data = list(reader)
text = text.format(table=tabulate(data, headers="firstrow", tablefmt="grid"))
html = html.format(table=tabulate(data, headers="firstrow", tablefmt="html"))
message = MIMEMultipart(
"alternative", None, [MIMEText(text), MIMEText(html,'html')])
message['Subject'] = "Your data"
message['From'] = me
message['To'] = you
server = smtplib.SMTP(server)
server.ehlo()
server.starttls()
server.login(me, password)
server.sendmail(me, you, message.as_string())
server.quit()
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