When sending to Microsoft OLC (Outlook Consumer - i.e. hotmail.com, outlook.com, msn.com, live.com, etc.) domains, are you seeing this bounce message? Microsoft: 5.4.4 (unable to route: no mail hosts for domain) If you're seeing that error message, or something similar, here's what's happening, I think, based on what some smart folks have shared with me. All of those domains hav…
