Hey there, I have ghost currently running in Docker and I would like to configre it to use a custom SMTP host. I believe you can do this in the config file, however I’m wondering if you can do it through environment variables, and if so, how?
Yep, take a look at Configuration - Adapt your publication to suit your needs!
Do note that the variables have to be lowercase 
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Ah thanks! Is there anyway to use this with newsletters?