In versions 14.5 and greater when I try to send a message to a disable mailing list get this exception in delivery log:

 

15:11:45 [15686] Starting local delivery to teste1@mydomain.com.br
15:11:45 [15686] Processing Mailing List: teste1@mydomain.com.br
15:11:45 [15686] Delivery for mydomain@terra.com.br to teste1@mydomain.com.br has completed (Delivered)

 

15:11:45 [15686] Exception: Index (zero based) must be greater than or equal to zero and less than the size of the argument list.

 

15:11:45 [15686] Delivery finished for mydomain@terra.com.br at 3:11:45 PM  [id:794037415686]