Same in my experience: emails should always be sent in a background process. Luckily for me, using uWSGI to deploy anything in any languages: it builds in a nic

Same in my experience: emails should always be sent in a background process. Luckily for me, using uWSGI to deploy anything in any languages: it builds in a nice little spooler that's going to let me spool emails without adding a single new software to my stack: not even having to start another process.