Устанавливаю решение
https://github.com/kvalood/SimplaCMS-smtp
Не работает SMTP , результат теста
2021-09-24 07:31:11 Connection: opening to ssl://smtp.mail.ru:465, timeout=300, options=array()
2021-09-24 07:31:12 Connection: opened
2021-09-24 07:31:12 SERVER -> CLIENT: 220 smtp29.i.mail.ru ESMTP ready (Looking for Mail for your domain? Visit https://biz.mail.ru)
2021-09-24 07:31:12 CLIENT -> SERVER: EHLO site.ru
2021-09-24 07:31:12 SERVER -> CLIENT: 250-smtp29.i.mail.ru250-SIZE 73400320250-8BITMIME250-PIPELINING250 AUTH PLAIN LOGIN XOAUTH2
2021-09-24 07:31:12 CLIENT -> SERVER: AUTH LOGIN
2021-09-24 07:31:12 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2021-09-24 07:31:12 CLIENT -> SERVER: <credentials hidden>
2021-09-24 07:31:12 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2021-09-24 07:31:12 CLIENT -> SERVER: <credentials hidden>
2021-09-24 07:31:12 SERVER -> CLIENT: 535 Authentication failed. Please verify your account by going to https://e.mail.ru/login?email=email@internet.ru
2021-09-24 07:31:12 SMTP ERROR: Password command failed: 535 Authentication failed. Please verify your account by going to https://e.mail.ru/login?email=email@internet.ru
SMTP Error: Could not authenticate.
2021-09-24 07:31:12 CLIENT -> SERVER: QUIT
2021-09-24 07:31:12 SERVER -> CLIENT: 221 smtp29.i.mail.ru closing connection
2021-09-24 07:31:12 Connection: closed
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Message could not be sent.Mailer Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Получается идет обрыв авторизации, хотя логин пароль от почты актуальный. Можно сейчас подключить SMTP через обычную почту? или надо почту для бизнеса подключать?