The trading engine network policy only allowed egress on ports 443 (HTTPS) and 53 (DNS). Gmail SMTP uses port 587 (STARTTLS), causing 'Network is unreachable' when sending notifications.
The trading engine network policy only allowed egress on ports 443 (HTTPS) and 53 (DNS). Gmail SMTP uses port 587 (STARTTLS), causing 'Network is unreachable' when sending notifications.