Stefan Bauer: > Hi, > > our outgoing mails sometimes end up undeliverable in postfix queue and > bounce back after 5 days, when remote sites change MX entries and postfix > has the old informations.
That is incorrect. Postfix does not remember DNS information. The
retry schedule is controlled with:
maximal_backoff_time = 4000s
minimal_backoff_time = 300s
queue_run_delay = 300s
Those are the default settings.
Wuetse
