Setting defaults to enable mailing list mode-Temporary Solution

[watchmanmonitor (Allen Hancock)]

@iolo

Is there a reason I wouldn’t include this in an exec custom command in app.yml?

There are two:

• I didn’t know you could do that.
• This is a one time, ever, action, so I wouldn’t want it to be done on every rebuild
  (or whatever docker process which might call that command)