On 6/11/2014 9:10 AM, Michael Neurohr wrote: > On 11.06.2014 14:17, Wietse Venema wrote: >> Configure Postfix to make single-recipient deliveries. >> >> Set "procmail_destination_recipient_limit = 1" which is required >> just like it is required for local(8) deliveries. > > Yes, that did it. Many thanks! > Is that setting needed for all filters that are used like unix pipes? > > Michael >
That setting is needed for any transport or filter that expects only one recipient at a time. Very generally, this means final delivery, but there are exceptions. -- Noel Jones