The error was because of a wrong security option in the settings and the speed of sendmail increased by itself. Probably there was a problem on the shared server during my first test.
Keep up the great work! 🙇 NodeBB is really great!
How to migrate nodeBB?
currently, it's on Heroku. migrating to the Digital Ocean.
@Varun-Ganesh-D Do not know jack about Heroku but presuming you have access to a shell account:
Like most tech stuff, there's more than one way to do it. I presented you with one. Other's mileage may vary.
Note: I have omitted propagating updated DNS pointers but you should also ensure forward and reverse dns records are in order. Once done, you will also need to generate new TLS certificates for the DO droplet. Presuming you have access to auth DNS records:
Good luck and have fun! o/
It's Very Complex.
I installed Fresh. Lost everything.