As of latest master, and coming soon to the next NodeBB near you (0.8.4) emails can now be customised in the ACP.
Same issue here. Any updates?
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NodeBB uses sendmail by default, so if you want to use this you have to install sendmail on your system (it's within ubuntu repositories AFAIK).
the answer is in this topic :
@rahmon IMPORT is actually a NodeBB directive, benchpress doesn't handle imports.