One of the worse email marketing services I have ever used.
I was attracted by the low price compared to other similar services. Of course, there was a reason for it:
* Monthly subscription may be low, but you pay an additional fee each time you upload 10.000 emails to your contact lists. Removing invalid emails from your list is painful because the user interface is slow and buggy, and when you are done you have to reupload the list (and repay the fee, of course).
* Customer support is basically nonexistant. I had the same issues as another review below: long answering times, unprepared operators, chats closed without any explanation.
* After a few days, I couldn't log in to my account. It took me hours to get in touch with an operator, who told me that my account was suspended because I didn't provide some required company information. I did not receive ANY notification whatsoever about it.
I decided to unsubscribe and delete my account after the first month.
Never again.