72 regels
1.5 KiB
Python
72 regels
1.5 KiB
Python
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#!/usr/bin/python
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'''
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## Description
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A script to get mail from info@example.com and re-write the 'From"' Header
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as "From: John Doe via info at example.com <noreply@example.com>'"
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## Installation Instuctions
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* Place the script under */usr/local/sbin/rewrite_from.py*.
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* Edit */etc/aliases*:
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```
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info: "|/usr/local/sbin/rewrite_from.py"
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```
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* Run the `newaliases` command.
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'''
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import sys
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import email
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import smtplib
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import re
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DEBUG = 1
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MAIL_SERVER = 'localhost'
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TO = ["ceo@example.com", "ceoexternalmail@gmail.com"]
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def main():
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'''
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Main Function
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'''
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raw_msg = ''
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for line in sys.stdin:
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raw_msg = raw_msg + line
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msg = email.message_from_string(raw_msg)
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reply_to_re = re.search(
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r'([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-.]+\.[a-zA-Z0-9-.]+)',
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msg['From'])
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if reply_to_re:
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reply_to = reply_to_re.group(1)
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from_re = re.search(
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r'^ *(.+) +<?([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-.]+\.[a-zA-Z0-9-.]+)>?',
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msg['From'])
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if from_re:
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from_h = from_re.group(1)
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if msg['Reply-To']:
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msg['Reply-To'] = reply_to
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msg.replace_header('Reply-To', reply_to)
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else:
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msg.add_header('Reply-To', reply_to)
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msg.replace_header('From', from_h + ' via info at example.com <noreply@example.com>')
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send_mail = smtplib.SMTP('localhost')
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send_mail.sendmail(msg['From'], TO, msg.as_string())
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send_mail.quit()
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if DEBUG:
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filename = "/tmp/msg.out"
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out = open(filename, 'w')
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out.write(msg.as_string())
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if __name__ == "__main__":
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main()
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