From: Wietse Venema (no email)
Date: Fri Sep 30 2005 - 13:08:41 EDT
Cap:
> Hi Wietse, please excuse me I accidently posted to porcupine.
>
>
> > > I support a lot of domains (and subdomains), so it would be
> > very convenient for me to give all my users a full qualified
> > > mailbox/user/login whatever you call it as
> "".
>
> > This means you have to use Postfix virtual mailbox domains.
> > You can GENERATE the corresponding Postfix tables from your
> > database with user information.
>
> Since postfix can make lookups in a DB, there should be a
> pressing reason to generate an extra table for postfix.
Try: "man ldap_table", "man mysql_table", or "man pgsql_table".
> > UNDER NO CONDITIONS use REGEXP tables to define user
> > populations. These regexps match too many addresses, and your
> machine would be swamped with dictionary attack spam.
>
> I use the regexp table only for subdomain propagation, so that
> for example would be passed one level up to
> . I never use them on the user@ part. This saves
In other words, you accept any user name that a dictionary attack
spammer comes up with. Don't do it, use a DBMS instead.
Wietse
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