> Hi all,
> 
> Is there a global setting to allow anyone from a particular domain (
> *@example.com ) to be able to post to any list on the server? I thought that's
> what the 'FILTER_ALLOW' setting did, but I can't seem to make that work.

No it's not. Who can post to a list is configured on a list-by-list basis with 
the Send= keyword, so you can't arbitrarily configure the LISTSERV site to 
accept postings on ALL lists. The only person/address that can post to all 
lists is a Postmaster.