Restrictions on source accuracy
Restrictions on source accuracy

See #399, #402, #410
Humbedooh/ponymail,quenda/ponymail,jimjag/ponymail,jimjag/ponymail,Humbedooh/ponymail,jimjag/ponymail,quenda/ponymail,jimjag/ponymail,quenda/ponymail,Humbedooh/ponymail