On Sat, 2023-06-24 at 16:35 +1200, Peter via Postfix-users wrote: > On 23/06/23 07:05, André Rodier via Postfix-users wrote: > > Is there any way, with postfix, to run a script on authentication > > failure, with information like the IP address and the > > username passed, for instance. > > You can write your script up as a policy daemon and have it listen on an > inet or unix socket (you can use the spawn daemon for this), then do > something like this: > > smtpd_recipient_restrictions = permit_sasl_authenticated, > check_policy_service unix:private/policy, reject > > The policy service will only be called if sasl auth fails, make sure > that the policy service returns a response of either REJECT or DUNNO and > it should be called with all of the relevant info you want. > > See SMTPD_POLICY_README, access(5) and spawn(8). > > > Peter
Thanks, Peter, this is exactly what I was looking for. Kind regards, André
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