On 28/10/2014 21:39, Stephan Bosch wrote: > If I remember correctly, the SunOS's printf > doesn't like NULL as a %s parameter, That is so. > so the following fix may help: > > http://hg.rename-it.nl/dovecot-2.2-pigeonhole/rev/6afd6d927f40 It does. Many thanks for looking at this and creating a solution. James.