We've been running Nintex Workflow for years with the outbound SMTP being a URL (example.ourdomain.com). We use NW2013 internally only. Our Windows admin provided a new server name and IP Address which I confirmed works because I can ping the DNS name and get the IP Address back. I entered this new static IP Address in the Outbound SMTP Server field in CA-->Nintex WF Mgmt-->Global Settings, restarted IIS, and no mail is getting sent. Does it have to be a URL in that field or should the IP Address work?
Best answer by paulie_decesare
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