Can I get rid line "sent via zohocrm.com"

Can I get rid line "sent via zohocrm.com"

Hi guys,

Here is my question.

1) When I send mass email via ZohoCRM my recipient can see this the line "sent via zohocrm.com"

 http://screencast.com/t/W9U7h0pRB

2) When I send ordinary email from "Send Mail" in Lead or Contact section I do not see "sent via zohocrm.com" http://screencast.com/t/jDfetf3HMmh

So my questions is the following:

Is there a way to get rid of "sent via zohocrm" when I execute mass email campaign?

Thanks,

Olga