Yes, indeed, if you're looking to scale up to handle high concurrent user loads, scaling out horizontally is your best bet. We've got a client right now serving 700+ connections at the moment, and they're on four separate NodeBB instances. It's probably too much for what they need, but it's always nice to have more capacity than needed in case of spikes, etc.
Hello there, i am looking to use NodeBB in one of my community portal. Just curious after seeing this post, is it right choice to use NodeBB?
Please let us know if this issue was solved and how you did that?
@Gaurav-Grv-Robinson It looks like NodeBB uses the nodemailer package under the covers, but the UI may only present SMTP transport options.
Your best bet is to use an SMTP server that's configured to listen/login/relay email on your behalf, this is a little different than a mail spooling system that in the end may relay, or otherwise send directly. If you have an inbound mail server that also has smtp for outbound, use that.
I tend to just use SendGrid (hosted SaaS mail delivery) for my outbound emails, because delivery rates come out much better. There are other services, and depending on where you are hosting, they may offer one.