lib: don't spit unnecessary debug messages

Related to rhbz#1133674

Signed-off-by: Jakub Filak <jfilak@redhat.com>
mailx: print only one log message in notify_only mode

Related to rhbz#1133674

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Merge branch 'rhbz1133674_dont_spam'