Commands to reconfigure SMTP

Checklist
[yes ] I have read intro post: About the Installation Issues category
[ yes] I have read the tutorials, help and searched for similar issues
[ yes] I provide relevant information about my server (component names and versions, etc.)
[ yes] I provide a copy of my logs and healthcheck
[*yes] I describe the steps I have taken to trouble shoot the problem
[*yes] I describe the steps on how to reproduce the issue

how to reconfigure SMTP

how to change it in server end …i could not login to account ,i am not getting email.

I am getting msg but Email is not recieved…

I am getting this error could not send email,smtp could not accept the password

Maybe can you check this: Alternative login method for when email not working - #5 by pabloelcolombiano