In my latest Ask Al video for Valimail, I walk viewers through the current state of Google Postmaster Tools, the very important sender feedback portal that helps to guide us all on how to maximize our chances of getting our email messages delivered to the Gmail inbox.Join me as I explain the final shutdown of V1, what the transition to V2 means for specific indicators – reputation measures lost, deliverability analysis gained – and I’ll explain the issues that I, and others, have been running into lately.And if you're new to email deliverability or otherwise not familiar with Google Postmaster...