[Mailman-Users] what is a virtual domain?
mark at msapiro.net
Fri Nov 16 17:45:31 CET 2012
>How does a virtual domain differ from a domain?
As far as Mailman is concerned, there is no difference. GNU-Mailman
2.1.x can handle list addresses in multiple domains with the
restriction that the list names themselves must be globally unique. In
Mailman, in some contexts the various domains are referred to as
'virtual', but they can be thought of as simply domains or host names.
The difference comes about in the MTA and perhaps the web server. In
Postfix for example, some domains may be local and some virtual. The
local domain Mailman addresses can be delivered to Mailman via aliases
only. The virtual domain Mailman addresses need some kind of virtual
address mapping as well. Sometimes the choice of local vs virtual for
a domain in Postfix can be somewhat arbitrary. What it boils down to
is if delivery to local_part at domain_1.example.net should be handled
differently from delivery to local_part at local_domain.example.com, then
domain_1.example.net needs to be virtual.
Mark Sapiro <mark at msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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