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Nathan Vanderwyst

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SMTP to host name when only have IP field

I have an AVAYA phone system and it only will accept an IP address to route voicemail via SMTP.  The issue is that since I have moved our Exchange servers off premise to Exhange via Office 365 I only have a host name set up to route device email.  That is I have something like smtp.domain.com and not an ip address.  What techniques coud I use to route voicemail to the smtp.domain.com when I only have an IP only field?

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Dr. Klahn

Go to the nearest Windows PC.  Open a command window.  In the command window, type "nslookup smtp.domain.com".  nslookup will return at least one IP address for that name, if an A record does exist.

It is unfortunate that the Avaya system only accepts one IP address.  Large SMTP systems often reside on several locations, all sharing the same name.

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