The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://article.gmane.org/gmane.comp.horde.announce/516 http://git.horde.org/diff.php/imp/docs/CHANGES?rt=horde&r1=1.699.2.424&r2=1.699.2.430&ty=h http://www.vuxml.org/freebsd/6c4db192-cb23-11df-9c1b-0011098ad87f.html

The following package is affected: horde-imp