Are we able to use same IP address in more than one Marketo instance?

[karthickkumar2]

Are we able to use same IP address in more than one Marketo instance? 

[SanfordWhiteman]

Do you mean can 2 different Marketo instances have the same dedicated IP? That would contradict the notion of “dedicated.”

What exactly are you trying to accomplish?

[karthickkumar2]

Client has purchased new dedicated IP for a new Marketo instance.

Question:

Are we able to have same email sender in more than 1 Marketo instance? By configuring SPF/DKIM?

Let's say, marketo.com in more than 1 Marketo instance? 

[SanfordWhiteman]

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Are we able to have same email sender in more than 1 Marketo instance?

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Of course. You use different DKIM selectors and different branded envelope domains. (Note the SPF record only matters for your envelope domain, the From: domain’s SPF record is not checked.)