Postfix update through apt update (ubuntu server 18.04)

[cliff1976]

Hi,
Looks like the first option is the recommendation from this previous post on the same topic:

Postfix update problem

My box wanted to update postfix today and the updates appeared to break MIAB but that may be because I was unsure what to answer when the dialog asked what sort of site I wanted. In any case, for anyone else who runs across this, I was able to fix it by rerunning curl -s https://mailinabox.email/setup.sh | sudo bash