Software:
Hardware:
I knew that takos have a lot of output energy, but I did not knew that takos can power a whole car!
(I wish that someone would already posted something like this so I could just upvote it.)
Btw, I do not use postfix
if you use starttls, just use tls_type: "starttls"
in your config
My instance had the same problem, the problem was that Hetzner (where I host my server) by default is not permitting outbound smtp ports. For me the solution was to use alternative port and even that a starttls alternative port which AWS SES luckily supports (that is what I am using for smtp server). Alternative would be also to just ask Hetzner to unblock the port (people have reported success with this method).
Thank you, integration with activitypub is what i was after!