Geoffrey Smith replied to Ugochukwu Mmaduekwe's topic in Indy
I've updated my project so it now not only sends messages via gmail... but it can send hotmail.com/live.com/outlook.com emails. GmailAuthSMTP supports the XOAUTH2 and OAUTHBEARER authentication types and so could probably support other mail providers if they use those standards as well.
https://github.com/geoffsmith82/GmailAuthSMTP/