For WordPress developers: enhance your clients' websites with a bug reporting tool where they could pick a topic, write a message and send it over to
Do you really need to? If so, please request at plugin page, I might add that in the next release.
Not yet, but if you really need to please write a request at the plugin page. The more requests I get, the more chances are that you'll see it in the next release.
This may be caused by many reasons. The first thing I'd do is check my spam box, perhaps it's gone there. Then see if you're getting other mail from the WordPress blog you've setup by creating a new user and using the email you want to provide support with. Check 'send password to this user' and see if you get the e-mail. If you don't then there's something wrong with your hosting/email provider. Try setting up SPF or contact your provider for more details.
Well you can upload the little logo on your own domain somewhere and then just provide a full URL, though I'd suggest you upload it to the Media Library of your client's blog and catch its direct link from there.