Server can't send email notification : Error TLS connection (streambuffer.php#94)

[Schmu]

Hi, it’s me again. Can you have a look at this post and try if that solves your problem?

Gmail authentication issue

If you still need help: Go to https://myaccount.google.com/apppasswords, generate a password and use that one in the authentication config with mode ‘ssl’ and port ‘465’