Error logging in to the server "smtp.yandex.com"?

Question

Mozilla Thunderbird

CHADNT?
It seems that everything is according to the instructions, everything is fine, but here
Error logging in to the server "smtp.yandex.com"
Rearranged, the same shnyaga
Now is it worth trying manual configuration?
Message sending error.
Sending a message using the Outgoing Mail Server (SMTP) "smtp.yandex.com" failed for an unknown reason. Make sure you have entered the correct Outgoing Mail Server (SMTP) settings and try again.

Answer 1

smtp.yandex.com quietly telnets on port 25.
https://yandex.com/support/mail/mail-clients.xml
Outgoing mail
mail server address - smtp.yandex.com;
connection security - SSL;
port - 465.