Anyone have any ideas as to why my N900 can no longer send emails or sms thru webtexter, when I am connected to my home network?

It never used to be a problem, but all of a sudden it has become an issue. Nothing has been changed on the home network side of things or on the N900 for that matter, since these 2 problems showed up.

- It all works fine when connected to 3G data outside of home network.
- I can access internet with no problems thru home network.
- I can access all shared folders on my laptop thru home network.
- I've tested multiple email accounts & all show up as fail when attempting to send.
- I have deleted network settings & reconfigured.

Any input is greatly appreciated. Thanks in advance.