Why is sending via smtp server falling?

Question

Mail server

Specified in the settings

MAIL_DRIVER=smtp
MAIL_HOST=smtp.mail.ru
MAIL_PORT=465
[email protected]
MAIL_PASSWORD=password
MAIL_ENCRYPTION=TLS

Throws an exception

Swift_TransportException in StreamBuffer.php line 269: Connection could not be established with host imap.mail.ru [Connection timed out #110]

UPD.
It turned out that I also can’t log in to mail programs, although I set everything up according to the wiki.
https://help.mail.ru/mail-help/mailer/mt
And so with any mail. Is there a problem with ubuntu?
UPD.
After removing postfix mail, the programs started working. But in laravel the same problem.

Answer 1

It turned out that the provider blocked the smtp ports by mistake.

Answer 2

I struggled with this problem until I realized that I was changing the .env config, but the connection parameters did not change. I forgot that I need to clear the cache so that new config values ​​\u200b\u200bare pulled up:
php artisan config:cache