Sometimes users face the issue when Roadrunner Not Working while trying to send emails. That means the outgoing mail server is not configured properly..
Read more that how can we short out this kind of issue related to a roadrunner.
Visit: roadrunner outgoing mail server not working
hi
Here's a checklist to understand why you're unable to send emails and troubleshoot any major problem:
Check your internet connection. Yup. ...
Check your SMTP server details. ...
Verify all usernames and passwords. ...
Check your SMTP server connection. ...
Change your SMTP port. ...
Control your antivirus or firewall settings.
Regards,
Bruce