need to restart dovecot in addition to postfix to manage imap/pop :-)

create-cert-postfix

@@ -23,6 +23,7 @@ if [ $? -eq 0 ]; then
     echo "$(date +%c) Success!"
     rsync -az -L /etc/letsencrypt/live/mail.$1/cert.pem /etc/letsencrypt/live/mail.$1/privkey.pem /etc/letsencrypt/live/mail.$1/chain.pem ssl-san@${mail_server}:${postfix_pem_path}
     ssh ssl-san@${mail_server} "sudo systemctl reload postfix"
+    ssh ssl-san@${mail_server} "sudo systemctl restart dovecot"
 else
     echo "$(date +%c) Error creating certificate with error code $?, exit script..."
     exit 1