In these days, it is very common that you have more than one e-mail account, so POP peeper will be a very good choice.
Even if you only have only one account it can be really useful if you want to know when you have new messages.
Advertisement
POP Peeper’s function is simple, it will advise you as soon as a new message arrives to your INBOX.
Its configuration is very simple and you can configure the advices, notifications and the number of accounts you can see at the same time. Choose different colors for each account and know at any moment how your account is and read your new messages.
POP peeper is a very good choice to control your accounts on real time.
2 reviews 
Comments
I've tried several email notifiers and this is by far the best. Control your web or pop email accounts without any problem I assure you that it is the best option, it is also in Spanish and it is free...