I have a login to Marketo sandbox account given by our client. How Can I use it's sandbox account for testing.
You can use it pretty much as you want. Just make sure you are not playing with real email addresses except yours and a that of a test/seed list of people.
You might also want to integrate the sandbox munchkin code to a real web site to get real data and set up the CNAME, but these are optional.
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