Cannot send email from outlook express

I am away from home and using a comcast cable connection but cannot send email. I can receive email and can use web mail but prefer to use outlook express 6. Seems it has something to do with using different server than one I use for my roadrunner.com. I even tried changing the smtp to comcast.net but still n/w. Any idea if there is a way around this?

 

yes, tried that. Have given up since both roadrunner and comcast have no solution.

 

found this on google. Perhaps it's something I might try but how do you :
undo the SSL and authentication settings on the outgoing mail settings.
You can use your ISP's SMTP server, for outgoing mail, instead of smtp.umn.edu.


When you change the outgoing mail server to something other than smtp.umn.edu, be sure to undo the SSL and authentication settings on the outgoing mail settings.
If you use an SMTP server other than smtp.umn.edu , you do not need to configure it for authentication or SSL to meet the University's SSL requirement.
If you want to continue using the SSL and authentication security settings, you can use authenication and SSL on your ISP's SMTP server. Please contact your ISP for information on how to set this up.
Please note, you will still need to have your incoming mail settings configured for SSL

 

anything I must know about trying that and having to go back to original settings? any special procedure to undo? Yes, example was a college SMTP with same issue I have. Think it will work?