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/* VERP address extractor.
Copyright (C) 2008, 2010-2011, 2015-2016 Sergey Poznyakoff
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
module 'verp'.
#pragma regex push +extended
func verp_extract_user(string email, string domain)
returns string
do
if email matches "(.*)=%domain@.*"
string s \1
if s matches '.*\+([^\+]+)$' and validuser(\1)
return \1
elif s matches 'sentto-[0-9]{7}-[0-9]{4}-[0-9]{10}-(.*)$' and validuser(\1)
return \1
fi
fi
return ""
done
#pragma regex pop
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