465 is the port number of Outgoing (SMTP) Secure, SSL/TLS is security type.
587 is the port number of Outgoing (SMTP roaming server) Secure,SSL/TLS is security type.
25 is the port number of Outgoing (SMTP), no any security type
587 is the insecure port number of Outgoing (SMTP roaming server), no any security type.
Thease are the general setting of SMTP Ports in Bresan.net Email
See Also this post:- https://assistsuite.wordpress.com/2021/02/15/how-to-sign-in-to-a-bresnan-email-account/
Configuring email settings correctly ensures smooth sending and receiving without interruptions.To manage cluster resources efficiently, you should enable kubernetes dashboard remote access securely.This setup greatly simplifies monitoring and controlling your deployments.