My Admin login of SMTP Test sending is a successful OK within the ADMIN login test menu of "General Settings" -> "Account" -> "SMTP" with all the host, user name, password etc. setup correctly and return a SUCCESSFUL OK test sending.
Yes, when I do a MEMBER login --> Contact Us form submission, it return an error message:
"× Error! Mailer result: . Please contact us for assistance!"
*NOte: Google recaptcha, Peppylink and Google Analytics are turned off and DISABLED in General settings --> Extension menu.
Please advise, what is the thing that went wrong?