Your bug report

#25274: Fix bug in customizing `mail-sources' variable

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 25274@debbugs.gnu.org.

-- 
25274: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=25274
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems