[Update] Poseidon Mailer v1.0.9
Here is a new release based on user suggestions.
[+] Message Variables have been added. You can view them from the View menu.
[*] Now it is possible to customize Sender address and/or name individually.
[*] Now it is possible to multiselect and delete some recipients from the recipients list.
[*] Fixed 100% CPU on Invalid License error.
[*] Minor GUI improvements