Using an image in an HTML email to see if your email has been opened is more reliable than read receipts and delivery receipts – and they don’t need the recipient to approve the receipt. But how do they work? You insert a small image into the email, which can sometimes be invisible...
Having an older version of an app isn’t usually a problem, but it can sometimes create some conflicts. This is especially the case when newer updates are more extensive, or when they include server-side changes. It won’t hurt to check theGoogle Play Storeand see if there are any updat...