Curtis: > > This is safe only when the maildrop queue is "stopped", that is, > > > > 1) No submissions with the Postfix sendmail command while these > > files are in the maildrop directory, otherwise mail will be > > lost. > > > > 2) No pickup daemon and no postsuper command, otherwise pickup will > > read incomplete files and throw them away, or it will make > > duplicate deliveries as files get renamed. > > Based on earlier conversations in this thread (from February), it was > determined to be safe to drop messages into the maildrop queue if we created > the files using a unique filename and mode 0600, and then switched them to > mode 0700 once the file was ready. Hopefully that's still true...
See the "otherwise" portions of my reply above. Wietse