Postfix+Shell Scripting for Hired!

Budget SGD $40-$60

1. Good understanding in Postfix
2. Good Bash/Shell Scripting skills for healthcheck status and failover to Postfix relayhost (postfix (a))

Scenario 1:
Failover
Postfix (a) > Relay email to Mailgun if Sendgrid services is unavailable

Scenario 2:
Failover
Postfix (a) > Relay email to Sendgrid if Mailgun services is unavailable