On Wed, Dec 01, 2010 at 04:18:11PM -0600, Stan Hoeppner wrote: > If more than that, for many reasons, I recommend using recipient address > verification instead of LDAP lookups, assuming you have decent spam > filtering techniques on your Postfix gateway, which is a requirement in > today's world anyway.
No, LDAP lookups are simpler and cheaper than SMTP probes. The Postfix LDAP driver works with MSFT AD via simple password binds. Code for SASL binds (e.g. for folks who want to use GSSAPI) should be available in the 2.8 release if all goes well. -- Viktor.