On 4/9/2010 2:33 PM, Brian Sebby wrote: > We reject mail coming into our mail server that is not an approved address, > so I have a cron job that gets the list of approved addresses twice an hour, > updates the relay_recipients file that we use with relay_recipients_maps, > and then reload postfix. > > We had a case the other morning where someone sent email to an address that > is in our relay_recipient_maps file, but it came in at the same second that > the reload of the maps file was being done. As a result, it was rejected > with a "User unknown in relay recipient table" message in the log file. > > The script just does: > > * Copy in new relay_recipients file > * postmap relay_recipients > * postfix reload > > Is there a better way to do this? Should I stop postfix completely during > this time? Will putting the queue on hold avoid this problem, or do I need > to stop Postfix completely from responding? >
FAQ: http://www.postfix.org/DATABASE_README.html#safe_db In addition, there is no need to do "postfix reload" as per http://www.postfix.org/DATABASE_README.html#detect
