Shaun Ferguson <shaun.ferguson <at> park.edu> writes: > I encountered this as well while migrating to IMP's latest stable release > (IMP-H3-4.1 at the time of this posting). If you modify line 171 of > horde/imp/Mailbox.php to match the following, it appears to fix the bug: Sorry, that path should be horde/imp/lib/Mailbox.php My bad.