Mail send issue..

Hi All,

I am trying to configure the mail details. I have added the SMTP details but from other application mail are sending successfully where I had mentioned SMTP client and port. But from Thingworx getting the issue of ": Could not connect to SMTP host: ". Please let me know if POP3 details are mandatory here.I have kept it blank in Thingworx because in other application I am not using these but still mail can be send.Please help

Thanks,

Mahendra