> >> > >> What version of Postfix is this? > > > > Postfix mail_version = 2.5.1 > > That's what I suspected. Upgrade; see RELEASE_NOTES for > destination_rate_delay fix last year. Also show logs confirming your > special transport is actually being used.
Excellent. Sounds like I have my answer. Thanks for the info, everyone, including Wietse. Hopefully all will be resolved today. Cheers, Michael Hutchinson.
