HI Guys I have been running my WHMCS  server on its own VPS without any issues at all i want to move it to my VPS that has got plesk running on it i did the move fine and all seemded  ok BUT then i noticed  that emails was not bee sent out of WHMCS  no invoices  nothing was been sent out i was using sendgrid  as my smpt gateway and i woudl still like to use it as it works very well for me  but no matter where i look im not able to see any errors  on the logs