[Mailman-Users] Question about ban_list Regular Expression

Barry Finkel b19141 at anl.gov
Fri Nov 21 17:39:21 CET 2008

I have a question about the ban_list regex.  In a reply on
Tue, 24 Apr 2007 07:59:28 Mark Sapiro wrote

>  So set Privacy options...->Sender filters->generic_nonmember_action
>  to Accept so anyone can post and set Privacy options...->Subscription
>  rules->ban_list to a regex that matches all addresses not in your
>  domain. E.g.,
>  ^.*@(?!example\.com)$
>  or if you want to allow sub-domains within your domain
>  ^.*@(.*\.)?(?!example\.com)$

If I want subdomains of example.com and anl.gov to be able to
subscribe (and to ban other domains), is this the correct regex for




Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 222, Room D209              Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994

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