etc/sympa/virtual_alias

   1 /^cyclocoop\.org$/ handle_this_virtual_domain
   2 /^(postmaster|root|abuse|sympa-request)@cyclocoop\.org$/ $1@heureux-cyclage.org
   3 /^(listmaster|sympa)@cyclocoop\.org$/ $1@heureux-cyclage.org
   4 /^(.*)-(request|editor|owner|subscribe|unsubscribe)@(cyclocoop\.org)$/ $3-$1-$2
   5 /^(.*)@(cyclocoop\.org)$/ $2-$1