Plesk - SMTP Can't connect with thunderbird

I'm trying to move my emails from Google apps to plesk
So far i got it all setup in thunderbird and i somewhat can retrieve emails from the server but i can't send from thunderbird, it tries to connect to the SMTP and just stops there.
My problem are
Can't send mails from thunderbird
sometimes it takes hours and hours for mails to show up

I'm using a nameserver provider where all DNS settings are setup and should be correct

my mail settings are
View attachment 10744


Any got an...

Plesk - SMTP Can't connect with thunderbird