On Sat, Feb 07, 2015 at 11:20:16PM -0700, James Moe wrote: > postdrop: warning: mail_queue_enter: create file maildrop/546331.4026: > Permission denied
The postdrop(1) executable must be installed setgid() to the group corresponding to the main.cf "setgid_group" parameter. This group must have write access to the "maildrop" queue sub-directory. Run "postfix set-permissions" as root after making sure that setgid_group is set correctly in main.cf. -- Viktor.