On Fri, 9 May 2008, Andy Fiddaman wrote: > From: Andy Fiddaman <cyrus@xxxxxxxxxxxx> > Cc: info-cyrus@xxxxxxxxxxxxxxxxxxxx > Date: Fri, 9 May 2008 07:05:06 +0000 (GMT) > Subject: Re: Backscatter solutions ... > Pretty much the only way to stop this is to use something like > BATV to tweak your envelope sender address outbound. That still > doesn't stop everything as out-of-office replies are usually sent > from a real address. > > http://tools.ietf.org/html/draft-levine-mass-batv-02 > http://sourceforge.net/projects/batv-milter/ See: http://www.exim.org/exim-html-current/doc/html/spec_html/ch40.html#SECTverifyPRVS for details of how to implement BATV using exim. -- Dennis Davis, BUCS, University of Bath, Bath, BA2 7AY, UK D.H.Davis@xxxxxxxxxx Phone: +44 1225 386101 ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
