how to add additional settings for the Web with nginx?
they are reset to the default setting
There is an undocumented feature to add redirects or proxy settings, which you might be able to figure out from https://github.com/mail-in-a-box/mailinabox/blob/master/management/web_update.py#L111.
Outside of that, the box isn’t intended to be hackable.
oh yeah, that’s what we need!