@Hank21 I have the same problem. Is this still being worked on? https://community.tp-link.com/en/business/forum/topic/590794?replyId=1157584

@gabxav It's not the connection that's failing, though. It connects just fine on 587 or 465 w/ SSL, authenticates using the credentials given, but fails to send the message because it's not using the...

Configured SMTP to send me logs and stuff. Even though test send "succeeds", the mail does not go through. Authentication is configured with username and password but that username is different than...