Ville Walveranta a écrit :
> 
> I'm undecided on the back-end as of yet; I'd like to use LDAP for
> authentication, possibly against AD (as was discussed here earlier).
> But some other data such as alias maps would seem to be more
> straightforward to store in SQL. Someplace I've seen a warning against
> mixing LDAP and SQL — may have been in the "Book of Postfix", but
> since MySQL and OpenLDAP are on the server anyway, I don't see why I
> couldn't use them both. I'll look into a policy service option, too.
> 

I don't remember any such warning, and I don't see what problem this
would cause even if the servers are on different machines.

> I'll probably end up using SQL for the alias maps with some kind of
> simple front-end (quickly put together with CodeCharge) to maintain
> them. Perhaps "Virtual Canonical Domains" is something Wietse could
> address in a future version of Postfix. I think lack of such option is
> the first thing I've come across that qmail has on Postfix.

I don't know what you mean by "virtual canonical domains". These are
"virtual alias domains".

The problem you are facing is that virtual aliases are not recursively
expanded at smtp time.

if you don't need recursion, you can use sql easily. otherwise, a policy
server can do whatever you want.

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