On Tue, Jul 01, 2025 at 04:32:18PM +0530, Burn Zero via Postfix-users wrote:
> I am trying to implement postfix authentication with LDAP (Active
> Directory) where the postfix server will act as relay. The expected traffic
> is huge (around 400K / day), so is it better to use LDAP as authentication
> mode than MySQL?
Typically, neither is a good choice for *authentication* (logins via a
password of some sort). Are you sure you're looking for
*authentication* rather that email address validation?
For email address validation (inbound relay), LDAP can be a good choice,
typically better than MySQL if on the backend you already have email
address data, e.g. for Microsoft Exchange mailboxes.
--
Viktor.
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