电子邮件附件是电子邮件正文的一部分。
大多数人使用 MIME 编码库来处理他们的电子邮件正文以包含附件。这也意味着您必须使用 HTML 邮件。
注意:由于您使用的是REST API,所以我写了一篇关于如何使用阿里巴巴DirectMail REST API和Python中的实际工作代码的文章:DirectMail REST API
以下是带有附件的电子邮件的示例:
From: John Doe <example@example.com>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="XXXXboundary text"
This is a multipart message in MIME format.
--XXXXboundary text
Content-Type: text/plain
this is the body text
--XXXXboundary text
Content-Type: text/plain;
Content-Disposition: attachment;
filename="test.txt"
this is the attachment text
--XXXXboundary text--
这是电子邮件附件的示例 Python 代码:Python 示例
# Import smtplib for the actual sending function
import smtplib
# Here are the email package modules we'll need
from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart
COMMASPACE = ', '
# Create the container (outer) email message.
msg = MIMEMultipart()
msg['Subject'] = 'Our family reunion'
# me == the sender's email address
# family = the list of all recipients' email addresses
msg['From'] = me
msg['To'] = COMMASPACE.join(family)
msg.preamble = 'Our family reunion'
# Assume we know that the image files are all in PNG format
for file in pngfiles:
# Open the files in binary mode. Let the MIMEImage class automatically
# guess the specific image type.
fp = open(file, 'rb')
img = MIMEImage(fp.read())
fp.close()
msg.attach(img)
# Send the email via our own SMTP server.
s = smtplib.SMTP('localhost')
s.sendmail(me, family, msg.as_string())
s.quit()