On Tue, Nov 25, 2014 at 11:19:36AM -0600, Noel Jones wrote: > http://www.postfix.org/postconf.5.html#bounce_size_limit > > You can set "bounce_size_limit = 0" to return the message headers > only.
The minimum allowed value is "1". Therefore, to bounce headers only bounce_size_limit = 1 -- Viktor.