No. Versions 2, 3 and 4 of Aid4Mail use different activation codes from version 1.
If you have a valid version 1 license, you can get an immediate 50% discount off the regular price when you buy a corresponding Aid4Mail 4 license. Please visit our upgrade page for more details.
If you would like more information, don't hesitate to contact us.
If you would like to buy an Aid4Mail license, visit the Aid4Mail website.