I've been using Polymail since it's alpha and it's been a pleasure to use and great to see their consistent effort iterating and listening to user issues, requests, and comments. Everything has been taken in strides and each version is considerably evolved from the prior.
+ It's very pleasant to look at
* In regards to privacy concerns from other reviews - logging information is primarily used for debugging purposes and to improve quality of service. In light of that, it's
Log file information is automatically reported by your browser each time you make a request to access (i.e., visit) a web page or app. It can also be provided when the content of the webpage or app is downloaded to your browser or device.
When you use our Service, our servers automatically record certain log file information, including your web request, Internet Protocol ("IP") address, browser type, referring / exit pages and URLs, number of clicks and how you interact with links on the Service, domain names, landing pages, pages viewed, and other such information. We may also collect similar information from emails sent to our Users which then help us track which emails are opened and which links are clicked by recipients. The information allows for more accurate reporting and improvement of the Service.