It could be because I noticed now ther are sending it out as Renderosity Galleries as the "from" ...before it was ebot@renderosity.
Perhaps  your mail set up  has that new one blocked.
Sometimes changing the configuration of your email preferences will get things moving again.
  No worries ....we will sort this.

"The happiness of a man in this life does not consist in the absence but in the mastery of his passions."