All of that is excellent, but at what level on the SMTP link does TLS enter the game? By default, most email shoppers initiate a TLS link through the handshake. Pro: Safer. Most 3rd-party vendors present various backup alternatives to maintain your emails Harmless if 1 server goes down. https://fernandopgnzf.vidublog.com/26310270/a-review-of-mailwizz