The ability to send mail with attachments with Python

In a Linux system, messages can be sent with the Mail command, but when sent with an attachment, the attachment is always reported as too large an error. Without knowing how to configure Linux mail, I chose Python for sending messages with attachments.

Import Smtplib

From Email.mime.multipart import Mimemultipart

From Email.mime.text import Mimetext

From email.mime.application import mimeapplication

Mail_host= "Smtp.exmail.qq.com" #设置服务器

Mail_user= "#填写用户名" #用户名

mail_pass= "#用户名对应的密码" #口令

mail_postfix= "#发件箱的后缀" #发件箱的后缀

#定义发送邮件的收件人, message headers, message contents, attachments

def send_mail (to_list,sub,content,files):

msg = Mimemultipart (_subtype= ' plain ', _charset= ' utf-8 ')

msg[' Subject ' = Sub

Msg[' from '] = Mail_user

Msg[' to '] = ";". Join (To_list)

Part=mimetext (content,_subtype= ' plain ', _charset= ' utf-8 ')

Msg.attach (part)

For file_name in Files:

Part = mimeapplication (open (file_name, ' RB '). Read ())

Part.add_header (' content-disposition ', ' attachment ', filename=file_name)

Msg.attach (part)

Server = Smtplib. SMTP ()

Server.connect (Mail_host)

Server.login (Mail_user,mail_pass)

Server.sendmail (Mail_user, To_list, msg.as_string ())

Server.close ()

Return True

mailto_list=[' recipient 1', ' Recipient 2']

files=[' file_name ',......]

Send_mail (Mailto_list, "Mail Header", "Message body", files)

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The ability to send mail with attachments with Python