On Tue, Mar 10, 2009 at 02:46:29PM -0600, LuKreme wrote:
>> The recommended approach for those ready to move beyond 1.1 compatible
>> settings is:
>>
>> virtual_alias_domains = ... explicit list of domains or tables ...
>> virtual_alias_maps = ... tables ...
>>
>> if the number of virtual alias domains is small (1-10) and stable,
>> avoid tables entirely just list them in main.cf. Yes you can rely
>> on the backwards compatible interface, but it is more confusing and
>> in many cases less efficient.
>
> Well, "more confusing" is relative. The old way is less confusing *to me*
> because I'm familiar with it.
Explicit settings are always more clear than implicit settings. Even if
you just set:
virtual_alias_domains = $virtual_alias_maps
and repeat the default, but see below...
> I could certainly
>
> # grep DOMAIN virtual | awk '{print $1}'
>
> and put that list into main.cf in a virtual_alias_domains declaration. In
> fact, there's probably no reason NOT to do this
Actually you SHOULD do this unless you find a reason to NOT do it.
> as most of my domains have
> been moved over to mysql virtual mailboxes -- other than not being sure
> what other impact this might have (that is, what other settings I might
> need to change).
None, but the trivial-rewrite service will be saddled with one less
MySQL lookup to determine the address class of a domain. Ideally you
also move virtual_mailbox_domains to its own parameter also, and
don't rely on implicit lookups of that in virtual_mailbox_maps, and
avoid tables when possible.
--
Viktor.
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