On Fri, Aug 14, 2009 at 1:56 PM, Brian Evans - Postfix List<grkni...@scent-team.com> wrote:
> All messages stay in the queue until maximal_queue_lifetime is reached. > By default, this is 5 days. > This prevents transient errors, such as connection loss on either end, > from affecting mail delivery. > Do not set this to anything insane like 2 hours or you may get angry users. > No less than 3 days is recommended. Great! Can't believe I missed this in the docs. Thanks for the quick response! > You can enforce checks in Postfix using reject_unknown_recipient_domain. > Note: this can be affected by DNS failure. A local caching DNS server is > recommended for this. > This will catch some, but not all of bad spellings.
