Rafael Azevedo - IAGENTE: [ Charset ISO-8859-1 unsupported, converting... ] > Hi Viktor, > > I've added this into my main.cf: > > slow_destination_concurrency_failed_cohort_limit = 5
This stops deliveries after 5 ****COHORT**** failures. > I mean, if it is trying to deliver to xyz.com and it fails 5 times, Yes, but you configured Postfix to stop after 5 ****COHORT**** failures. For more information about ****COHORT**** failures and other parameters: http://www.postfix.org/SCHEDULER_README.html Wietse