Walter Alejandro Iglesias <wairoquesor.com>
Problem: trying to send to the address above (or to my wife's) you get an error.
Reason: your mail server is being used by spammers (and got blocked by my firewall).
Solution: try sending from another server (if you avoid yahoo, hotmail or gmail, ever better).
If even using an alternative mail server you still get the error then probably that's not the case but, be aware that big is the chance.