Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: saintly.com.au
I ran this command: Tried to send mail via Postfix submission
It produced this output: SSL_accept:error in SSLv3/TLS write server done
My web server is (include version): Postfix 3.1.8
The operating system my web server runs on is (include version): Debian Jessie
My hosting provider, if applicable, is: AWS
I can login to a root shell on my machine (yes or no, or I don’t know): Yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): Nup, old school CLI all the way
This is with version 4 of my certificates. When I go back to version 3 of my certificates, all is well with the world. Nothing appears to have changed in the interim.