Simplify parsing of smtp_* list values
Simplify parsing of smtp_* list values

Signed-off-by: Luiz Carvalho <ce3f14872713a9ca19158c744f8de50732acf24f@redhat.com>

DBuildService/osbs-client,vrutkovs/osbs-client,DBuildService/osbs-client,projectatomic/osbs-client,vrutkovs/osbs-client,bfontecc007/osbs-client,bfontecc007/osbs-client,projectatomic/osbs-client