Exim4 a powerful Send-Only MTA

MTA (or Mail Transport Agent) can prove helpful if You're hosting Your own server and do not want to pay someone for Your emails. If Properly configured, An MTA can be a good candidate for email transport at small scale for applications like WordPress which only really send emails for Password Reset or new user. It is a very low send volume application so we can use a self-hosted MTA. While I personally prefer a complete suite (e.g. mailcow) because it makes everything that much simple (we get GUI, Additional controls and ability to receive emails too.) but If Your usecase is Send-Only (e.g. You receive emails elsewhere), You can definitely put your VPS to good use.

This is a companion discussion topic for the original entry at https://www.tekduke.com/exim4-a-powerful-send-only-mta/