Then I'm at a loss... Perhaps I missed a reload at a strange point or something. I shall keep an eye on it and follow up if there are any changes.
Thank you very much for your assistance!! Cheers, Daniel On Wed, Feb 18, 2015 at 2:35 PM, Wietse Venema <wie...@porcupine.org> wrote: > Daniel Hopkirk - RandomInsanity: > > However out of curiosity as much as clutching at straws I cleared the > > verify cache and restarted postfix. After a couple of test emails it now > > appears to be refusing the email instantly as expected. My best guess > > would be that the invalid test address I was using has been accepted at > > some point in my configuration tweaks, and based on the docs referencing > > its optimistic caching it may have been operating on that previous > accept? > > Does this sound like a valid interpretation? > > Note that Postfix did send out an address probe (the thing that > ended with "status=undeliverable" and "User unknown"). > > Normally, Postfix will refresh (send a new probe) a "good" cached > address when it is older than 7 days. > > address_verify_positive_refresh_time = 7d > > So unless you have been doing these experiments for a week, > I would not buy your argument. > > Wietse >
