I understand some of the permissions warnings, as I did open up some of the permissions for testing, but that shouldn't cause a problem, should it?
Does anyone have any suggestions? Email is the last hurdle before I move my entire site to AWS, and I'd like to stick with AWS solutions (namely SES) if possible, but it's starting to look like I need to look around some more for other email relays.
From your logs, it seems that you’ve configured the mailer correctly (although you need to address the permissions warnings). However, you get errors when sendmail tries to call ses-send-email.pl. Here are some debug steps: