did you checked the minify, try to set it off.
have you checked in your WordPress settings your website name? eg. try to put the same website address in
setings->general->WordPress Address (URL)->www.yourdomain.com
setings->general->Site Address (URL)->www.yourdomain.com
it might be the problem with the email provider
1. try clean computer dns cache (cmd->ipconfig /flushdns)
2. in your computer hosts config try to put smth.. server ip -> your website name (10.10.10.10 yourdomain.com)