# Wrong sending domain used **URL:** \ **Category:** Self-hosting\ **Created:** [May 5, 2016, 11:18am UTC](https://meta.discourse.org/t/wrong-sending-domain-used/43723 "2016-05-05T11:18:24Z")\ **Posts on this page:** 1\ **Showing post:** 8
**Author:** ![stadja](https://avatars.discourse-cdn.com/v4/letter/s/87869e/32.png) [@stadja](https://meta.discourse.org/u/stadja)\ **Post date:** [May 6, 2016, 9:32am UTC](https://meta.discourse.org/t/wrong-sending-domain-used/43723/8 "2016-05-06T09:32:35Z")
> [@fefrei](#): > > Yeah, it’s super complicated. Setting up the outer nginx instance takes two commands in the shell, and you’d have to actually copy and paste the configuration from the tutorial. You’d even have to change a line in you Apache config. Ok. So: - _ **This guide assumes you already have Discourse working** _ : Ok so how is it possible. Because I can’t have discourse working because I already have an apache server running. When I try to install it, I can’t because the answer is something like: Your port 80 is already occupied, you can’t install it. =\> So, no my Discourse is not already working, I can’t install it. - Then, I want to use a docker container, in order NOT to install too many extra things on my production server. I don’t want to install an extra nginx server on my server - Finally: why would you answer me like that and who do you think you are ? > [@fefrei](#): > > How careless of them to not support hard-to-debug unofficial installation methods, too… I never said they were careless nor anything, I am happy with their work, I am sad that it is not usable for me. --- _[View the full topic](https://meta.discourse.org/t/wrong-sending-domain-used/43723)._