Am 09.06.2014 22:17, schrieb johnea: > On 06/09/2014 11:48 AM, Wietse Venema wrote: >> Wietse Venema: >>> By itself, dnsxl maps may be useful in contexts that perform "list >>> membership" lookup such as smtpd_client_event_limit_exceptions, >>> where the lookup result value is ignored, For example, to prevent >>> password brute-forcing from bot-infected systems: >>> >>> smtpd_client_event_limit_exceptions = dnsxl:xbl.spamhaus.org >> >> Except that this does not block AUTH commands. Currently all that >> smtpd_client_event_limit_exceptions does is not announce AUTH support >> in the EHLO response. > > Is it possible to use this to DNSBL check URLs present in the body of an > email? (pre-queue)
postfix is a MTA and only a MTA which is good one tool one job you can plug contentfilters but that's not the job of postfix itself