We are new to Marketo, but not to marketing & analytics. We use Email On Acid for Inbox Previews and Prechecks (walks through and analyzes your code) and Glock Apps for Spam Tests. We use Folderly for subdomain/ip warm up and spam fixes if domain reputation drops. The problem is Folderly doesn't work with Marketo right now. Folderly is working on an integration though.
Does Marketo integrate with any preview, spam testing, or warm up tools?
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