And probably rebooting the whole server wasn't necessary, just restarting the MTA would probably do it. When I was younger and had plenty of time, I'd spend hou

And probably rebooting the whole server wasn't necessary, just restarting the MTA would probably do it. When I was younger and had plenty of time, I'd spend hours or even days diagnosing the root case. These days, I'd just add one line to crontab and moved on.