I just sent a test message to Tim. It went through. Mail was not working properly, but I think I fixed it
Dec 26 01:45:20 ip-172-31-12-101 postfix/smtp[433410]: 0180113400582: to=<timradde@gmail.com>, relay=gmail-smtp-in.l.google.com[209.85.201.27]:25, delay=0.55
, delays=0.01/0/0.15/0.39...