Stuart Gathman
18 lines
692 B
Python
18 lines
692 B
Python
# Author: Stuart D. Gathman <stuart@bmsi.com>
|
|
# Copyright 2005 Business Management Systems, Inc.
|
|
# This code is under the GNU General Public License. See COPYING for details.
|
|
|
|
# The localpart of SMTP return addresses is often signed. The format
|
|
# of the signing is application specific and doesn't concern us -
|
|
# except that we wish to extract some sort of fixed string from
|
|
# the variable signature which represents the "source" of the message.
|
|
|
|
def unsign(s):
|
|
"""Attempt to unsign localpart and return original email.
|
|
No attempt is made to verify the signature.
|
|
>>> unsign('SRS0=8Y3CZ=3U=jsconnor.com=bills@bmsi.com')
|
|
'bills@jsconnor.com'
|
|
"""
|
|
# not implemented yet
|
|
return s
|